Engineering:LVM3

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Short description: Indian expendable medium-lift launch vehicle, developed by ISRO
Launch Vehicle Mark-3 (LVM3)
LVM3 M3, OneWeb India-2 - Lift off from Second Launch Pad of SDSC-SHAR 05.webp
LVM3 M3 lifting off from SDSC SLP, carrying 36 OneWeb satellites
FunctionMedium-lift launch vehicle[1]
ManufacturerISRO
Country of originIndia
Cost per launch₹500 crore (US$70 million)[2][3]
Size
Height43.43 m (142.5 ft)[4][1]
Diameter4 m (13 ft)[4]
Mass640,000 kg (1,410,000 lb)[1]
Stages3[1]
Capacity
Payload to LEO10,000 kg (22,000 lb)[5]
Payload to GTO4,000 kg (8,800 lb)[1]
Associated rockets
FamilyGeosynchronous Satellite Launch Vehicle
Comparable
Launch history
StatusActive
Launch sitesSatish Dhawan Space Centre
Total launches7
Successes7
Failures0
Partial failures0
First flight
  • 18 December 2014 (suborbital)
  • 5 June 2017 (orbital)
Last flight14 July 2023
Notable payloads
First stage – S200 Boosters
Length25 m (82 ft)[1]
Diameter3.2 m (10 ft)[1]
Empty mass31,000 kg (68,000 lb) each[6]
Gross mass236,000 kg (520,000 lb) each[6]
Propellant mass205,000 kg (452,000 lb) each[6]
MotorSolid S200
Thrust5,150 kN (525 tf)[7][8][9]
Specific impulse274.5 seconds (2.692 km/s) (vacuum)[6]
Burn time128 s[6]
FuelHTPB[6]
Second stage – L110
Length21.39 m (70.2 ft)[10]
Diameter4.0 m (13.1 ft)[6]
Empty mass9,000 kg (20,000 lb)[10]
Gross mass125,000 kg (276,000 lb)[10]
Propellant mass116,000 kg (256,000 lb)[10]
Engines2 Vikas engines
Thrust1,598 kN (163.0 tf)[6][11][12]
Specific impulse293 seconds (2.87 km/s)[6]
Burn time203 s[10]
FuelUDMH / N2O4
Third stage – C25
Length13.545 m (44.44 ft)[6]
Diameter4.0 m (13.1 ft)[6]
Empty mass5,000 kg (11,000 lb)[10]
Gross mass33,000 kg (73,000 lb)[10]
Propellant mass28,000 kg (62,000 lb)[6]
Engines1 CE-20
Thrust186.36 kN (19.003 tf)[6]
Specific impulse442 seconds (4.33 km/s)
Burn time643 s[6]
FuelLOX / LH2

The Launch Vehicle Mark-3 or LVM3[1][13][14] (previously referred as the Geosynchronous Satellite Launch Vehicle Mark III or GSLV Mk III)[lower-alpha 1] is a three-stage[1] medium-lift launch vehicle developed by the Indian Space Research Organisation (ISRO). Primarily designed to launch communication satellites into geostationary orbit,[16] it is also due to launch crewed missions under the Indian Human Spaceflight Programme.[17] LVM3 has a higher payload capacity than its predecessor, GSLV.[18][19][20][21]

After several delays and a sub-orbital test flight on 18 December 2014, ISRO successfully conducted the first orbital test launch of LVM3 on 5 June 2017 from the Satish Dhawan Space Centre.[22]

Total development cost of project was ₹2,962.78 crore (equivalent to ₹36 billion or US$500 million in 2019).[23] In June 2018, the Union Cabinet approved ₹4,338 crore (equivalent to ₹47 billion or US$650 million in 2019) to build 10 LVM3 rockets over a five-year period.[24]

The LVM3 has launched CARE, India's space capsule recovery experiment module, Chandrayaan-2 and Chandrayaan-3 , India's second and third lunar missions, and will be used to carry Gaganyaan, the first crewed mission under Indian Human Spaceflight Programme. In March 2022, UK-based global communication satellite provider OneWeb entered into an agreement with ISRO to launch OneWeb satellites aboard the LVM3 along with the PSLV, due to the launch services from Roscosmos being cut off, caused by the Russian invasion of Ukraine.[25][26][27] The first launch took place on 22 October 2022, injecting 36 satellites into Low Earth orbit.

History

First orbital flight of LVM3
First operational flight of LVM3, carrying Chandrayaan-2

Development

ISRO initially planned two launcher families, the Polar Satellite Launch Vehicle for low Earth orbit and polar launches and the larger Geosynchronous Satellite Launch Vehicle for payloads to geostationary transfer orbit (GTO). The vehicle was reconceptualized as a more powerful launcher as the ISRO mandate changed. This increase in size allowed the launch of heavier communication and multipurpose satellites, human-rating to launch crewed missions, and future interplanetary exploration.[28] Development of the LVM3 began in the early 2000s, with the first launch planned for 2009–2010.[29] The unsuccessful launch of GSLV D3, due to a failure in the cryogenic upper stage,[29] delayed the LVM3 development program.[30][31] The LVM3, while sharing a name with the GSLV, features different systems and components.

To manufacture the LVM3 in public–private partnership (PPP) mode, ISRO and NewSpace India Limited (NSIL) have started working on the project. To investigate possible PPP partnership opportunities for LVM3 production through the Indian private sector, NSIL has hired IIFCL Projects Limited (IPL).[32]

S200 static fire tests

The first static fire test of the S200 solid rocket booster, ST-01, was conducted on 24 January 2010.[7] The booster fired for 130 seconds and had nominal performance throughout the burn. It generated a peak thrust of about 4,900 kN (1,100,000 lbf).[33][8] A second static fire test, ST-02, was conducted on 4 September 2011. The booster fired for 140 seconds and again had nominal performance through the test.[34] A third test, ST-03, was conducted on 14 June 2015 to validate the changes from the sub-orbital test flight data.[35][36]

Human rated variant of S200, the HS200, was developed for the Gaganyaan programme. The first static fire test of HS200 was conducted on 13 May 2022 at Satish Dhawan Space Centre for a duration of 135 seconds with no issues.[37]

L110 static fire tests

ISRO conducted the first static test of the L110 core stage at its Liquid Propulsion Systems Centre (LPSC) test facility at Mahendragiri, Tamil Nadu on 5 March 2010. The test was planned to last 200 seconds, but was terminated at 150 seconds after a leakage in a control system was detected.[38] A second static fire test for the full duration was conducted on 8 September 2010.[39]

C25 stage tests

C25 D Stage on test stand

The first static fire test of the C25 cryogenic stage was conducted on 25 January 2017 at the ISRO Propulsion Complex (IPRC) facility at Mahendragiri, Tamil Nadu. The stage fired for a duration of 50 seconds and performed nominally.[40]

A second static fire test for the full in-flight duration of 640 seconds was completed on 17 February 2017.[41] This test demonstrated consistency in engine performance along with its sub-systems, including the thrust chamber, gas generator, turbopumps and control components for the full duration.[41]

Modifications after LVM3-X

LVM3 in Flight X configuration

After the suborbital test flight of LVM3, certain modifications were made to the vehicle to improve its performance. The propellant grain geometry of the head end segments were changed from a 10-lobed slotted configuration to a 13-lobed star configuration and propellant load was reduced to 205 tonnes (452,000 lb) to improve performance during transonic phase of flight.[42] The payload fairing was modified to an ogive shape, and the S200 booster nose cones and inter-tank structure were redesigned to have better aerodynamic performance.[42]

Vehicle design

S200 strap-ons

The first stage consists of two S200 solid motors, also known as Large Solid Boosters (LSB) attached to the core stage. Each booster is 3.2 metres (10 ft) wide, 25 metres (82 ft) long, and carries 207 tonnes (456,000 lb) of hydroxyl-terminated polybutadiene (HTPB) based propellant in three segments with casings made out of M250 maraging steel. It is the largest solid-fuel booster after the SLS SRBs, the Space Shuttle SRBs and the Ariane 5 SRBs. The flex nozzles can be vectored up to ±8° using electro-hydraulic actuators operating in blow-down mode and are used for vehicle control during the initial ascent phase.[43][44][45] Hydraulic fluid for operating these actuators is stored in an externally mounted cylindrical tank at the base of each booster.[46] These boosters burn for 130 seconds and produce an average thrust of 3,578.2 kilonewtons (804,400 lbf) and a peak thrust of 5,150 kilonewtons (1,160,000 lbf) each.[44][7]

L110 Liquid Stage at the Stage Preparation Facility

The second stage, designated L110, is a liquid-fueled stage that is 21 metres (69 ft) tall and 4 metres (13 ft) wide, and contains 110 metric tons (240,000 lb) of unsymmetrical dimethylhydrazine (UDMH) and nitrogen tetroxide (N
2O
4). It is powered by two Vikas 2 engines, each generating 766 kilonewtons (172,000 lbf) thrust, giving a total thrust of 1,532 kilonewtons (344,000 lbf).[11][12] The L110 is the first clustered liquid-fueled engine designed in India. The Vikas engines uses regenerative cooling, providing improved weight and specific impulse compared to earlier Indian rockets.[44][47] Each Vikas engine can be individually gimbaled to control vehicle pitch, yaw and roll control. The L110 core stage ignites 114 seconds after liftoff and burns for 203 seconds.[44][12] Since the L110 stage is air-lit, its engines need shielding during flight from the exhaust of the operating S200 boosters and reverse flow of gases by a 'nozzle closure system' which gets jettisoned prior to L110 ignition.[48]

C25 cryogenic stage

The cryogenic upper stage, designated C25, is 4 metres (13 ft) in diameter and 13.5 metres (44 ft) long, and contains 28 metric tons (62,000 lb) of propellant LOX and LH2, pressurized by helium stored in submerged bottles.[47][49] It is powered by a single CE-20 engine, producing 200 kN (45,000 lbf) of thrust. CE-20 is the first cryogenic engine developed by India which uses a gas generator, as compared to the staged combustion engines used in GSLV.[50] In LVM3-M3 mission, a new white coloured C25 stage was introduced which has more environmental-friendly manufacturing processes, better insulation properties and the use of lightweight materials.[51] The CFRP composite payload fairing has a diameter of 5 metres (16 ft) and a payload volume of 110 cubic metres (3,900 cu ft).[6]

Variants and upgrades

Mating with semi-cryogenic stage

The L110 core stage in the LVM3 is planned to be replaced by the SC120, a kerolox stage powered by the SCE-200 engine[52] to increase its payload capacity to 7.5 metric tons (17,000 lb) to geostationary transfer orbit (GTO).[53] The SCE-200 uses kerosene instead of unsymmetrical dimethylhydrazine (UDMH) as fuel and has a thrust of around 200 tonnes. Four such engines can be clustered in a rocket without strap on boosters to deliver up to 10 tonnes (22,000 lb) to GTO.[54] The first propellant tank for the SC120 was delivered in October 2021 by HAL.[55]

The SC120-powered version of GSLV will not be used for the crewed mission of the Gaganyaan spacecraft.[56][57]

In September 2019, in an interview by AstrotalkUK, S. Somanath, director of Vikram Sarabhai Space Centre claimed that the SCE-200 engine was ready to begin testing. As per an agreement between India and Ukraine signed in 2005, Ukraine was expected to test components of the SCE-200 engine, so an upgraded version of the LVM3 was not expected before 2022.[58]

The SCE-200 engine is reported to be based on the Ukrainian RD-810, which itself is proposed for use on the Mayak family of launch vehicles.[59]

Induction of C32 stage

The C25 stage with nearly 25 t (55,000 lb) propellant load will be replaced by the C32, with a higher propellant load of 32 t (71,000 lb). The C32 stage will be re-startable and with uprated CE-20 engine.[60] Total mass of avionics will be brought down by using miniaturised components.[61] On 30 November 2020, Hindustan Aeronautics Limited delivered an aluminium alloy based cryogenic tank to ISRO. The tank has a capacity of 5,755 kg (12,688 lb) of fuel, and a volume of 89 m3 (3,100 cu ft).[62][63]

  • On 9 November 2022, CE-20 cryogenic engine of upper stage was tested with an uprated thrust regime of 21.8 tonnes in November 2022. Along a suitable stage with additional propellant loading this could increase payload capacity of LVM3 to GTO by up to 450 kg (990 lb) .[64]
  • On 23 December 2022, CE-20 engine E9 was hot tested for 650 second duration. For the first 40 seconds of test, the engine was operated at 20.2 tonne thrust level, after this engine was operated at 20 tonne off-nominal zones and then for 435 seconds it was operated at 22.2 tonne thrust level. With this test, the 'E9' engine has been qualified for induction in flight.[65]

Human-rating

Representation of Human Rated LVM3.

While the LVM3 is being human rated for Gaganyaan project, the rocket was always designed with potential human spaceflight applications in consideration. The maximum acceleration during ascent phase of flight was limited to 4 Gs for crew comfort and a 5-metre (16 ft)diameter payload fairing was used to be able to accommodate large modules like space station segments.[66]

Furthermore, a number of changes to make safety-critical subsystems reliable are planned for lower operating margins, redundancy, stringent qualification requirements, revaluation, and strengthening of components.[67]

Avionics:

Launch Vehicle:

  • High Thrust Vikas engines (HTVE) of L110 core stage will operate at a chamber pressure of 58.5 bar instead of 62 bar.
  • Human rated S200 (HS200) boosters will operate at chamber pressure of 55.5 bar instead of 58.8 bar. Segment joints will have three O-rings each.
  • Electro mechanical actuators and digital stage controllers will be employed in HS200, L110 and C25 stages.[68][69]

Testing and qualification

  • On 16 December 2021, CE20 (E9 engine) was tested to demonstrate the redundancy of engine ignition capability as part of human rating LVM3. Two ignition trial tests of 3.2 seconds duration were conducted nominally followed by a nominal hot test of 50 seconds duration.[70]
  • On 12 January 2022, CE-20 engine E9 completed 720 second long qualification test for Gaganyaan programme.[71]
  • On 9 November 2022, CE-20 engine E9 was hot tested for 70 seconds. During this test the engine operated at thrust level of approximately 20 tonnes for the first 40 seconds and then switched to an uprated thrust regime of 21.8 tonnes lasting ~30 seconds.[64]
  • The S200 strap-ons flown on LVM3-M3/OneWeb India-2 mission had enhanced margins and other human-rating relating features like three O-rings in sealing joint instead of just two, 1.5 times thicker insulation than usual etc.[72][73] Human rated HS200 motor was static tested earlier on 13 May 2022.[37]
  • The S200 strap-ons flown on LVM3-M4/Chandrayaan-3 again had few features relevant to human-rating. Human-rated Vikas engines of L110 were flight tested as well.[74]

Notable missions

X (Suborbital flight test)

The maiden flight of the LVM3 lifted off from the Second Launch Pad at the Satish Dhawan Space Center on 18 December 2014 at 04:00 UTC.[75] The test had functional boosters, a core stage but carried dummy upper stage. It also carried the Crew Module Atmospheric Re-entry Experiment (CARE) that was tested on re-entry.[76]

Just over five minutes into the flight, the rocket ejected CARE at an altitude of 126 kilometres (78 mi), which then descended, controlled by its onboard reaction control system. During the test, CARE's heat shield experienced a peak temperature of around 1,000 °C (1,830 °F). ISRO downlinked launch telemetry during the ballistic coasting phase until the radio black-out to avoid data loss in the event of a failure. At an altitude of around 15 kilometres (9.3 mi), the module's apex cover separated and the parachutes were deployed. CARE splashed down in the Bay of Bengal near the Andaman and Nicobar Islands and was recovered successfully.[77][78][79][80]

D1 (GSAT-19)

The first orbital flight of the LVM3 occurred on 5 June 2017,[81] lifting off from the Second Launch Pad at 11:58 UTC. The vehicle carried the GSAT-19 communication satellite, making it the heaviest Indian rocket and payload ever launched. The satellite was successfully placed into a geostationary transfer orbit (GTO) at 170 kilometres (110 mi). The flight also tested upgrades to the design from data acquired during the suborbital test flight.[82]

M1 (Chandrayaan-2)

The first operational flight occurred on 22 July 2019,[83][84] lifting off from the Second Launch pad at 9:13 UTC. The rocket carried Chandrayaan-2, India's second mission to the Moon, consisting of an orbiter, lander and a rover.[85] The Chandrayaan-2 stack is the heaviest spacecraft launched by ISRO.[86]

M2 (36 OneWeb satellites)

This was the first commercial launch of LVM3 that occurred on 22 October 2022, which helped India to enter the global market for heavier payloads. This was also the first launch to a polar low earth orbit and the first multi-satellite mission of LVM3, launched by ISRO, carrying a payload of about 6 tons.[87]

M4 (Chandrayaan-3)

ISRO successfully launched its fourth LVM3 mission carrying Chandrayaan-3, which lifted off from the Satish Dhawan Space Centre on the coastal island of Sriharikota on 14 July 2023 at 14:35:17 IST (09:05:17 UTC).

Launch statistics

LVM3 currently have accumulated a total of 7 launches (As of July 2023). Of these, all 7 were successful. The cumulative success rate is 100%.

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Decade-wise summary of LVM3 launches
Decade Successful Partial success Failure Total
2010s 4 0 0 4[88]
2020s 3 0 0 3[89]
Total 7 0 0 7

Launch history

Flight No. Date / time (UTC) Rocket,
configuration 		Launch site Payload Payload mass Orbit User Launch
outcome
X 18 December 2014
04:00[90] 		LVM3 Second India Crew Module Atmospheric Re-entry Experiment (CARE) 3,775 kg (8,322 lb)[91] Sub-orbital ISRO Success
Sub-orbital development test flight with a non-functional cryogenic stage[92]
D1 5 June 2017
11:58[93][94][95] 		LVM3 Second India GSAT-19 3,136 kg (6,914 lb) GTO INSAT Success
First orbital test launch with a functional cryogenic stage[96]
D2 14 November 2018
11:38 		LVM3 Second India GSAT-29 3,423 kg (7,546 lb) GTO INSAT Success
Second orbital test flight. L110 core used upgraded High Thrust Vikas Engines (HTVE).[97][98][99]
M1 22 July 2019
09:13:12 		LVM-3 Second India Chandrayaan-2 3,850 kg (8,490 lb) EPO ISRO Success
First operational flight of LVM3.[100]
M2 22 October 2022
18:37:40[101][102][103] 		LVM3[104] Second United Kingdom OneWeb × 36 5,796 kg (12,778 lb) LEO OneWeb Success
First commercial launch of LVM3 for OneWeb.[105][106] Launch of 36 OneWeb satellites to 605 km (376 mi) circular polar orbit.
M3 26 March 2023
03:30:20[107][73] 		LVM3 Second United Kingdom OneWeb × 36 5,805 kg (12,798 lb) LEO OneWeb Success
Second commercial launch of LVM3 for OneWeb. It is the heaviest payload that is launched by a LVM3 and ISRO to date.
M4 14 July 2023
09:05:17[108][109] 		LVM3 Second India Chandrayaan-3 3,895 kg (8,587 lb) EPO ISRO Success
Mission repeat of Chandrayaan-2 with a lunar lander and rover, to Elliptic Parking orbit (EPO) of size ~170 x 36500 km.[110]

Planned launches

NOTE: The dates mentioned below are subject to future change.

Date / time (UTC) Rocket,
Configuration 		Launch site Payload Orbit User
Mid 2024[111][112] HLVM3 Second Launch Pad India Gaganyaan-1[113] LEO
First uncrewed orbital demonstration flight of India's crew module.
NET 2024[111][114] HLVM3 Second Launch Pad India G2[113] LEO
Second uncrewed orbital demonstration flight of crew module.
NET 2024[111][114][115] HLVM3 Second Launch Pad India G3[113] LEO
Third uncrewed orbital demonstration flight of crew module.
December 2024[116] LVM3 Second Launch Pad India Venus Orbiter Mission TBD
Launch mass is 2,500 kg (5,500 lb); Venus orbiter and atmospheric balloon.
NET 2024[117] LVM3 Second Launch Pad India Mars Orbiter Mission 2[118] TBD
India's second orbiter mission to Mars.[119][58]
2025[120] HLVM3 Second Launch Pad[121][122] India H1[113] LEO
India's first crewed mission. Launch mass is 7,800 kg (17,200 lb) with service module,[123] capsule's mass is 3,735 kg (8,234 lb).[123][58]
TBA LVM3 Second Launch Pad India GSAT-22 GTO
[68]
TBA LVM3 Second Launch Pad India GSAT-7B GTO
[124]
TBA LVM3 Second Launch Pad India GSAT-7C GTO
Indian Air Force satellite[125][126][124]
TBA LVM3 Second Launch Pad India GSAT-7R GTO
Replacement satellite for Indian Navy's GSAT-7.[127][124]
TBA LVM3 Second Launch Pad India GSAT-32 GTO
Planned replacement for GSAT-6A.[128][129][130][124]

Gallery

  • D1 on its Mobile Launch Pedestal on its way to the launchpad

  • LVM3 D1 lifting off

  • LVM3 D2 lifting off

  • LVM3 M1 at the Vehicle Assembly Building

  • LVM3 M1 lifting off

  • M2 launch for OneWeb, first commercial launch of LVM3

  • LVM3 M3 lifting off

  • LVM3 M4 lifting off

See also

Notes

  1. ↑ ISRO changed the name of GSLV Mk3 to LVM3 after the successful launch of LVM3-M2 mission. The rename was done to remove any ambiguity on the ability of the vehicle to put payloads in a particular orbit.[15][14]

References

  1. ↑ 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 "LVM3" (in en). https://www.isro.gov.in/GSLVmk3_CON.html. 
  2. ↑ "OneWeb pays over Rs 1,000 cr to India for launching 72 satellites (Lead)". IANS. https://ianslive.in/news/oneweb_pays_over_rs_1_000_cr_to_india_for_launching_72_satellites_lead_-914790/SCIENCE-AND-TECHNOLOGY/36. 
  3. ↑ Faust, Jeff. "OneWeb launch sign of greater role for India in commercial launch market". https://spacenews.com/oneweb-launch-sign-of-greater-role-for-india-in-commercial-launch-market/. 
  4. ↑ 4.0 4.1 "The first developmental flight of GSLV-Mk-III" (in en). https://www.isro.gov.in/first-developmental-flight-of-gslv-mk-iii. 
  5. ↑ "GSLV MkIII-M1 Successfully Launches Chandrayaan-2 spacecraft - ISRO". ISRO. https://www.isro.gov.in/update/22-jul-2019/gslv-mkiii-m1-successfully-launches-chandrayaan-2-spacecraft. 
  6. ↑ 6.00 6.01 6.02 6.03 6.04 6.05 6.06 6.07 6.08 6.09 6.10 6.11 6.12 6.13 6.14 "LVM3". http://isro.gov.in/launchers/lvm3. 
  7. ↑ 7.0 7.1 7.2 "ISRO Press Release: S200 First Static Test (S-200-ST-01)". http://www.isro.org/pressrelease/contents/2010/pdf/S200_STATIC_TEST-01.pdf. 
  8. ↑ 8.0 8.1 "Isro successfully tests world's 3rd largest solid booster". dna. http://www.dnaindia.com/scitech/report_isro-successfully-tests-world-s-3rd-largest-solid-booster_1338945. 
  9. ↑ "India to test world's third largest solid rocket booster". Science and Technology Section. The Hindu News Paper. 7 December 2009. http://www.thehindu.com/sci-tech/article61220.ece. 
  10. ↑ 10.0 10.1 10.2 10.3 10.4 10.5 10.6 "GSLV Mark III-D1 / GSAT-19 Brochure". IRSO. http://isro.gov.in/gslv-mk-iii-d1-gsat-19-mission/gslv-mark-iii-d1-gsat-19-brochure. 
  11. ↑ 11.0 11.1 "Space Launch Report: LVM3 (GSLV Mk 3)". 22 Jul 2019. http://www.spacelaunchreport.com/gslvmk3.html. 
  12. ↑ 12.0 12.1 12.2 "L110 test to follow S200". 4 January 2010. http://indianspaceweb.blogspot.com/2010/01/l110-test-to-follow-s200.html. 
  13. ↑ "ISRO GSLV Mark-III renamed as LVM-3" (in en). 2022-10-24. https://tech.hindustantimes.com/tech/news/isro-gslv-mark-iii-renamed-as-lvm3-71666600684014.html. 
  14. ↑ 14.0 14.1 "ISRO renames GSLV Mark-III as LVM-3". The Hindu. 2022-10-23. https://www.thehindu.com/sci-tech/isro-renames-gslv-mark-iii-as-lvm-3/article66049577.ece. 
  15. ↑ "As it happened: ISRO successfully launches GSLV Mark-III" (in en-IN). The Hindu. 17 December 2014. ISSN 0971-751X. http://www.thehindu.com/sci-tech/science/countdown-begins-for-gslv-markiii-launch/article6701651.ece. 
  16. ↑ "'India masters rocket science': Here's why the new ISRO launch is special". https://www.hindustantimes.com/india-news/india-masters-rocket-science-with-isro-sucessfully-launching-gsat-29-satellite/story-m72QQBzx7fxEYLyyoMRgPI.html. 
  17. ↑ "Two international astronauts survive space scare. How well is India prepared?". https://indianexpress.com/article/explained/two-international-astronauts-survive-space-scare-how-well-is-india-prepared-5406677/. 
  18. ↑ "Indian Space Research Organisation preparing for three more PSLV launches" (in en-IN). The Hindu. 29 April 2011. ISSN 0971-751X. http://www.thehindu.com/todays-paper/tp-national/Indian-Space-Research-Organisation-preparing-for-three-more-PSLV-launches/article14742422.ece. 
  19. ↑ Ramachandran, R. (22 January 2014). "GSLV MkIII, the next milestone" (in en). Frontline. http://www.frontline.in/cover-story/gslv-mkiii-the-next-milestone/article5596588.ece. 
  20. ↑ Sengupta, Rudraneil (5 June 2017). "Cryogenic rocket engine has been developed from scratch: Isro chief". LiveMint. https://www.livemint.com/Science/EYKySpXXTRGuwUBXTlzSPP/Cryogenic-rocket-engine-has-been-developed-from-scratch-Isr.html. 
  21. ↑ "India launches 'monster' rocket" (in en-GB). BBC News. 5 June 2017. https://www.bbc.com/news/world-asia-india-40158889. 
  22. ↑ "India's 'Bahubali' GSLV Mk III lifts less luggage than lighter rockets". The Economic Times. 16 June 2017. http://economictimes.indiatimes.com/news/science/indias-bahubali-gslv-mk-iii-lifts-less-luggage-than-lighter-rockets/articleshow/59178611.cms. 
  23. ↑ "Government of India, Department of Space; Lok Sabha Unstarred Question no.3713; GSLV MK-III". 12 August 2015. https://www.isro.gov.in/sites/default/files/lu_3713.pdf. 
  24. ↑ "Government approves Rs 10,000-crore continuation programmes for PSLV, GSLV". 7 June 2018. https://economictimes.indiatimes.com/news/science/government-approves-rs-10000-crore-continuation-programmes-for-pslv-gslv/articleshow/64483323.cms. 
  25. ↑ "OneWeb Suspends Launches from Baikonur as Repercussions from Russia's Invasion of Ukraine Grow" (in en-US). https://spacepolicyonline.com/news/oneweb-suspends-launches-from-baikonur-as-repercussions-from-russias-invasion-of-ukraine-grow/. 
  26. ↑ "OneWeb partners with Isro to launch satellites using GSLV-MKIII, PSLV". https://economictimes.indiatimes.com/tech/tech-bytes/oneweb-partners-with-isro-to-launch-satellites-using-gslv-mkiii-pslv/articleshow/86930945.cms. 
  27. ↑ "NSIL/ISRO and OneWeb to collaborate for taking Digital Connectivity to every Corner of the World". https://oneweb.net/media-center/nsil-isro-and-oneweb-to-collaborate-for-taking-digital-connectivity-to-every-corner-of-the-world. 
  28. ↑ ISRO Not To Fly Living Being Before Actual Manned Space Mission: Official. NDTV Indo-Asian News Service. 14 September 2018.
  29. ↑ 29.0 29.1 "India's GSLV Mk-3 First Flight Pushed Back to April 2014". 4 April 2013. http://www.sawfnews.com/Health/70695.aspx. 
  30. ↑ Pulakkat, Hari. "GSLV Mark III launch: Why ISRO's biggest challenge will be at the end of this month". The Economic Times. https://economictimes.indiatimes.com/news/science/gslv-mark-iii-launch-why-isros-biggest-challenge-will-be-at-the-end-of-this-month/articleshow/58466879.cms. "Isro had gone through a difficult period a few years ago, when a launch of its GSLV Mark II failed. This failure had its impact on GSLV Mark III as well. “Because we had problems with Mark II,” says Isro chairman Kiran Kumar, “we had to rework some facilities of Mark III for Mark II. So Mark III got slightly delayed.”" 
  31. ↑ "GSLV Mk-III to put India on top". https://www.newindianexpress.com/states/tamil-nadu/2017/feb/26/gslv-mk-iii-to-put-india-on-top-1574839.html. "The failure of GSLV-D3 in 2010, where the first indigenous Cryogenic Upper Stage (CUS) was flight-tested, impacted the C25 stage programme due to the priority assigned for the additional investigation tests and added qualification tests demanded on CUS engine systems." 
  32. ↑ "NewSpace India Limited (NSIL) and ISRO convene Stakeholders’ Conference for manufacturing the Heaviest Launcher LVM-3 of ISRO, under a PPP partnership with Indian Industry to meet the emerging Global Launch Service market needs". 19 January 2024. https://www.nsilindia.co.in/sites/default/files/Final%20Release%20Version%20Press%20Release_Stakeholders%20conference.pdf. 
  33. ↑ "Successful static testing of Solid Propellant Booster Rocket Stage S200 for GSLV Mk III Launch Vehicle" (in en). https://www.isro.gov.in/update/24-jan-2010/successful-static-testing-of-solid-propellant-booster-rocket-stage-s200-gslv-mk. 
  34. ↑ "Second Static Testing of Solid Propellant Booster Rocket Stage S200 for GSLV-Mk III Successfully Conducted". http://www.vssc.gov.in/VSSC_V4/images/NewsLetter/apr2011-dec2011/article4.htm. 
  35. ↑ "విజయవంతంగా భూస్థిర పరీక్ష" (in en). Sakshi. 15 June 2015. https://www.sakshi.com/news/andhra-pradesh/successfully-testing-a-geostationary-248632. 
  36. ↑ Staff Reporter (15 June 2015). "Static test of S200 motor successful" (in en-IN). The Hindu. ISSN 0971-751X. http://www.thehindu.com/todays-paper/tp-national/tp-andhrapradesh/static-test-of-s200-motor-successful/article7316301.ece. 
  37. ↑ 37.0 37.1 "ISRO successfully tests large human rated solid rocket booster for the Gaganyaan programme - ISRO". 13 May 2022. https://www.isro.gov.in/update/13-may-2022/isro-successfully-tests-large-human-rated-solid-rocket-booster-gaganyaan. 
  38. ↑ "ISRO successfully conducts static testing of new age rocket". The Hindu. http://www.thehindu.com/sci-tech/article621253.ece. 
  39. ↑ "ISRO Press Release:Successful Static Testing of L 110 Liquid Core Stage of GSLV - Mk III". http://www.isro.org/pressrelease/scripts/pressreleasein.aspx?Sep08_2010. 
  40. ↑ "ISRO Successfully Tests C25 Cryogenic Upper Stage of GSLV MkIII" (in en). https://www.isro.gov.in/update/26-jan-2017/isro-successfully-tests-c25-cryogenic-upper-stage-of-gslv-mkiii. 
  41. ↑ 41.0 41.1 "ISRO Successfully Tests its Cryogenic Stage (C25) for GSLV MkIII for the Flight Duration". http://isro.gov.in/update/18-feb-2017/isro-successfully-tests-its-cryogenic-stage-c25-gslv-mkiii-flight-duration. 
  42. ↑ 42.0 42.1 "Outcome Budget 2016-17". Department of Space, Government of India. http://isro.gov.in/sites/default/files/article-files/budget-accounts/outcomebudget2016-2017.pdf. 
  43. ↑ "S200 solid booster development". http://iafastro.directory/iac/archive/browse/IAC-10/C4/2/8908/. 
  44. ↑ 44.0 44.1 44.2 44.3 "GSLV Mk. III Launch Vehicle Overview". Wayback Machine. http://www.spaceflight101.net/gslv-mk-iii.html. 
  45. ↑ N. Gopal Raj. "GSLV Mark III faces its first experimental flight". The Hindu. http://www.thehindu.com/todays-paper/tp-features/tp-sci-tech-and-agri/gslv-mark-iii-faces-its-first-experimental-flight/article6660089.ece. 
  46. ↑ "LVM3-CARE mission brochure". https://www.isro.gov.in/sites/default/files/flipping_book/LVM-3/CARE/files/assets/common/downloads/LVM3-brochure.pdf. 
  47. ↑ 47.0 47.1 LVM3 ISRO 23 December 2014
  48. ↑ "Nozzle closure system for gsLVM3 launch vehicle". ARMS 2008. https://archive.org/details/AbstractsOfTechnicalPapersARMS2008/page/n29/mode/1up. 
  49. ↑ "Cryogenic Gas Bottle Development & Realization - Role of non-destructive evaluation". https://www.ndt.net/article/nde-india2016/papers/A206.pdf. 
  50. ↑ "Why ISRO's New Engine and Mk III Rocket Are Reasons to Forget 1990 Cryogenic Scandal". Wayback Machine. https://thewire.in/138915/cryogenic-ce-20-isro-gslv-mk-iii/. 
  51. ↑ "ISRO's C25 cryogenic stage now sports white, ditches black; What's the science behind it?". https://www.wionews.com/india-news/isros-c25-cryogenic-stage-now-sports-white-ditches-black-whats-the-science-behind-it-575318/amp. 
  52. ↑ Rajwi, Tiki (2 March 2015). "Semi-cryogenic Engine: ISRO Charting a Revised Plan". http://www.newindianexpress.com/cities/thiruvananthapuram/Semi-cryogenic-Engine-ISRO-Charting-a-Revised-Plan/2015/03/02/article2693939.ece. 
  53. ↑ "ISRO developing heavy lift launch vehicles". 30 May 2015. http://www.thehindu.com/news/cities/Thiruvananthapuram/isro-developing-heavy-lift-launch-vehicles/article7262881.ece. 
  54. ↑ "Ukraine to test components of a powerful Indian rocket engine". http://www.russianspaceweb.com/rd810.html. 
  55. ↑ "HAL delivers 'heaviest' Semi-Cryogenic propellant tank to ISRO". The Economic Times. 2021-10-07. https://m.economictimes.com/news/science/hal-delivers-heaviest-semi-cryogenic-propellant-tank-to-isro/articleshow/86838143.cms. 
  56. ↑ "The ISRO Tender Notice With Fascinating New Details of Gaganyaan". https://thewire.in/space/the-isro-tender-notice-with-fascinating-technical-details-of-gaganyaan. 
  57. ↑ Singh, Surendra (28 January 2019). "GSLV Mk III: Isro eyes kerosene to boost GSLV Mk III's lifting power to 6 trillion" (in en). https://timesofindia.indiatimes.com/india/isro-eyes-kerosene-to-boost-gslv-mk-iiis-lifting-power-to-6-trillion/articleshow/67716433.cms. 
  58. ↑ 58.0 58.1 58.2 "Episode 90 – An update on ISRO's activities with S Somanath and R Umamaheshwaran". AstrotalkUK. October 24, 2019. https://astrotalkuk.org/episode-90-an-update-on-isros-activities-with-s-somanath-and-r-umamaheshwaran/. 
  59. ↑ "ISRO moves on, gears up to test semi-cryogenic engine in Ukraine". The Hindu. 19 September 2019. https://www.thehindubusinessline.com/news/science/isro-moves-on-gears-up-to-test-semi-cryogenic-engine-in-ukraine/article29451601.ece. 
  60. ↑ "Report No. 362, Demands for Grants (2022-2023) of the Department of Space (Demand No. 95)". p. 14. https://rajyasabha.nic.in/rsnew/Committee_site/Committee_File/ReportFile/19/165/362_2022_3_14.pdf. 
  61. ↑ "ISRO working on reusable GSLV Mk-III launch vehicle". The Hindu (Chennai). 2021-09-17. https://www.thehindu.com/news/national/tamil-nadu/isro-working-on-reusable-gslv-mk-iii-launch-vehicle/article36507027.ece. 
  62. ↑ "HAL delivers biggest ever cryogenic propellant tank to ISRO". The Financial Express. 2020-11-30. https://www.financialexpress.com/lifestyle/science/hal-delivers-biggest-ever-cryogenic-propellant-tank-to-isro/2140086/. 
  63. ↑ "HAL Delivers Biggest Ever Cryogenic Propellant Tank to ISRO". https://hal-india.co.in/HAL%20Delivers%20Bi/ND__324. 
  64. ↑ 64.0 64.1 "Successful CE20 uprated Engine Hot Test with 21.8 T vacuum thrust". Indian Space Research Organisation. 2022-11-09. https://www.isro.gov.in/LVM3_CE20_uprated_Engine_Hot_Test.html. 
  65. ↑ "Successful CE-20 Engine Hot Test with 20t off-nominal & 22.2t vacuum thrust". https://www.isro.gov.in/suceessful-ce-engine-hot-test.html. 
  66. ↑ "2.8 2.8 The Next-Generation Launcher: GSLV-Mk III by S. Ramakrishnan". From Fishing Hamlet to Red Planet: India's Space Journey. 15 December 2015. ISBN 9789351776895. "Taking into account the LEO payload capability of up to 10 tonnes feasible with this vehicle, the payload fairing diameter was fixed as 5 metres to accommodate large modules like a space station segment or manned capsule. Incidentally, considering the possibility of future human space flight missions by India, the boost phase acceleration was capped at 4g, the standard human tolerance level accepted by spacefaring agencies." 
  67. ↑ S. Somanath (11 August 2021). PRL Ka Amrut Vyakhyaan-02, 'Reaching the sky: Indian Launch Vehicles' (video). Event occurs at 53:10–53:40. Archived from the original on 2021-12-21. Retrieved 6 October 2021 – via YouTube.
  68. ↑ 68.0 68.1 "Annual Report 2020-2021". ISRO. 4 March 2021. p. 61. https://www.isro.gov.in/sites/default/files/anual_report_2020-2021_english.pdf. 
  69. ↑ "CSIR NAL Annual Report 2020-21". https://nal.res.in/sites/default/files/inline-files/Director%20Report%202020-21%20for%20web.pdf. "In addition, ATF also successfully completed the acoustic qualification of the Strap on Electro Mechanical Actuator Structure for the GSLV MKIII launcher. This would help in improving reliability and also provide advantages in payload capability in comparison with the Electro Hydraulic actuators used earlier." 
  70. ↑ "Annual Report of Department of Space 2021-2022". p. 108. https://www.isro.gov.in/sites/default/files/article-files/node/17661/annual_report_english.pdf. 
  71. ↑ "Qualification testing of Cryogenic Engine for Gaganyaan Programme - ISRO". https://www.isro.gov.in/update/12-jan-2022/qualification-testing-of-cryogenic-engine-gaganyaan-programme. 
  72. ↑ "ISRO's heaviest rocket LVM3 carrying 36 satellites blasts off from Sriharikota; closer to Gaganyaan". https://www.newindianexpress.com/nation/2023/mar/26/isros-heaviest-rocket-lvm3carrying-36-satellites-blasts-off-from-sriharikotacloser-to-gaganyaan-2559691.html. "“We ruggedised possible points of failure. Increase the margins wherever there are thermally affected areas with extra insulation. The materials used are put through higher levels of screening and production controls. For instance, a typical rocket has two O-rings, now we have three so we have one more additional ceiling joint. Insulation which is given inside was almost 1.5 times what was done earlier,”" 
  73. ↑ 73.0 73.1 "LVM3 M3/OneWeb India-2 mission accomplished successfully". Indian Space Research Organisation. 2023-03-26. https://www.isro.gov.in/LVM3_M3_OneWeb_India2_mission_successful.html. 
  74. ↑ "LVM-3's Chandrayaan success is a big boost for Gaganyaan" (in en-IN). The Hindu. 2023-07-14. ISSN 0971-751X. https://www.thehindu.com/sci-tech/science/launch-vehicles-chandrayaan-success-is-a-big-boost-for-gaganyaan/article67080620.ece. "Following the launch, LVM project director Mohan Kumar said that the rocket used for the Chandrayaan-3 mission used multiple systems that were rated for humans. “The human-rated S200 [solid strap-on motors] that were used earlier were again used, and the L110 Vikas engine has also completely become human-rated today,” he said." 
  75. ↑ "India launches largest rocket and unmanned capsule". 8 December 2014. https://www.bbc.com/news/world-asia-india-30527602. 
  76. ↑ "ISRO inches closer to manned mission". The Times of India. 10 January 2014. http://articles.timesofindia.indiatimes.com/2014-01-10/india/46065854_1_crew-module-space-capsule-recovery-experiment-gslv-mark. "We will be checking the crew capsule for all parameters." 
  77. ↑ "ISRO's unmanned crew module reaches Chennai". Wayback Machine. 21 December 2014. http://www.thehindu.com/sci-tech/science/isros-unmanned-crew-module-reaches-chennai/article6713050.ece. 
  78. ↑ As it happened: Isro's launch of India's heaviest rocket Times of India 18 December 2014
  79. ↑ Sangeetha Kandavel (18 December 2014). "GSLV Mark III takes to the skies in test flight". The Hindu. http://www.thehindu.com/sci-tech/science/india-successfully-test-fires-gslv-markiii-its-heaviest-rocket/article6703691.ece?homepage=true. 
  80. ↑ "Isro to test GSLV Mk-III, crew module on December 18". The Times of India. http://timesofindia.indiatimes.com/home/science/Isro-to-test-GSLV-Mk-III-crew-module-on-December-18/articleshow/45444522.cms. 
  81. ↑ "GSLV Mk III breaks Isro's jinx of failure in debut rocket launches". https://timesofindia.indiatimes.com/india/gslv-mk-iii-breaks-isros-jinx-of-failure-in-debut-launches/articleshow/59008331.cms. 
  82. ↑ Clark, Stephen (5 June 2017). "India's launcher fleet gets an upgrade with successful test flight". Spaceflight Now. https://spaceflightnow.com/2017/06/05/indias-launcher-fleet-gets-an-upgrade-with-successful-test-flight/. 
  83. ↑ "Chandrayaan 2 lifts off successfully". 22 July 2019. https://timesofindia.indiatimes.com/india/chandrayaan-2-lifts-off-successfully-gets-a-step-closer-to-moon/articleshow/70327968.cms. 
  84. ↑ "GSLV-Mk III, India's 'Baahubali' rocket for Gaganyaan, Chandrayaan II". https://www.livemint.com/Politics/tBD0gjC3A5EF0msbcT14dK/GSLVMk-III-Indias-Bahubali-rocket-for-Gaganyaan-Chandr.html. 
  85. ↑ "India Launches Chandrayaan-2 Moon Mission". 22 July 2019. https://www.nytimes.com/2019/07/22/world/asia/chandrayaan-india-moon-launch.html. 
  86. ↑ Rajwi, Tiki (4 May 2019). "Chandrayaan-2 most complex mission: ISRO chief Sivan" (in en-IN). The Hindu. ISSN 0971-751X. https://www.thehindu.com/news/national/kerala/chandrayaan-2-most-complex-mission-sivan/article27036119.ece. 
  87. ↑ Dutt, Anonna (2022-10-23). "Isro launches 36 OneWeb satellites precisely, completes mission of many firsts" (in en). https://indianexpress.com/article/india/isro-launches-36-oneweb-satellites-precisely-completes-mission-of-many-firsts-8225696/. 
  88. ↑ "GSLV MkIII-D2 successfully launches GSAT-29". ISRO. https://www.isro.gov.in/update/14-nov-2018/gslv-mkiii-d2-successfully-launches-gsat-29. 
  89. ↑ "ISRO launches LVM3-M3 OneWeb India-2 mission with 36 satellites; all you need to know". https://www.livemint.com/news/india/isro-lvm-iii-rocket-with-36-oneweb-satellites-launch-11679790470686.html. 
  90. ↑ "GSLV Mk-III: ISRO successfully test flies its heaviest rocket". The Economic Times. New Delhi. 18 December 2014. http://economictimes.indiatimes.com/news/science/gslv-mk-iii-isro-successfully-test-flies-its-heaviest-rocket/articleshow/45557768.cms. 
  91. ↑ "First Experimental Flight of India's Next Generation Launch Vehicle GSLV Mk-III Successful". 18 December 2014. http://isro.org/update/18-dec-2014/first-experimental-flight-of-indias-next-generation-launch-vehicle-gslv-mk-iii. 
  92. ↑ "GSLV MkIII to launch Isro's next mission". Hindustan times. 1 July 2014. http://www.hindustantimes.com/india-news/gslv-mkiii-to-launch-isro-s-next-mission/article1-1235397.aspx. 
  93. ↑ "India's GSAT-19 Reaches Geostationary Orbit after Off-Target Injection". Spaceflight101. 10 June 2017. http://spaceflight101.com/gslv-mk3-d1/indias-gsat-19-reaches-geostationary-orbit-after-off-target-injection/. 
  94. ↑ "GLSV Mark III rocket conducts 'all-up' launch with GSAT-19 satellite". Wayback Machine. 5 June 2017. https://www.nasaspaceflight.com/2017/06/glsv-mark-iii-rocket-launch-gsat-19-satellite/. 
  95. ↑ "Isro successfully launches its monster rocket GSLV Mk III". https://economictimes.indiatimes.com/news/politics-and-nation/isro-successfully-launches-its-monster-rocket-gslv-mk-iii/articleshow/58999528.cms. 
  96. ↑ "GSLV Mk III-D1/GSAT-19 Mission - ISRO". http://www.isro.gov.in/launcher/gslv-mk-iii-d1-gsat-19-mission. 
  97. ↑ "Successful Qualification of High Thrust Vikas Engine - ISRO" (in en). https://www.isro.gov.in/update/15-jul-2018/successful-qualification-of-high-thrust-vikas-engine. 
  98. ↑ "GSLV F08-GSAT6A Brochure - ISRO" (in en). https://www.isro.gov.in/gslv-f08-gsat-6a-mission/gslv-f08-gsat6a-brochure. 
  99. ↑ "With eye on lunar mission, ISRO to test high-thrust Vikas engine". The New Indian Express. http://www.newindianexpress.com/states/tamil-nadu/2018/mar/28/with-eye-on-lunar-mission-isro-to-test-high-thrust-vikas-engine-1793608.html. 
  100. ↑ "GSLV MKIII". https://www.vssc.gov.in/GSLVmk3.html. "The maiden operational flight of GSLV MkIII has successfully launched Chandrayaan-2 spacecraft into the Super Geo-Synchronous Transfer Orbit on July 22, 2019 at 14:43:12 hrs (IST)." 
  101. ↑ "LVM3 - M2/OneWeb India-1 Mission: Launch scheduled at 0007 hrs. IST on October 23, 2022. Cryo stage, equipment bay (EB) assembly completed. Satellites are encapsulated and assembled in the vehicle. Final vehicle checks are in progress." (in en). https://twitter.com/isro/status/1580864532666122241. 
  102. ↑ "23న జీఎస్‌ఎల్‌వీ ప్రయోగం" (in te). https://www.eenadu.net/telugu-news/india/general/0702/122194582. 
  103. ↑ Clark, Stephen. "OneWeb celebrates successful launch on Indian rocket – Spaceflight Now" (in en-US). https://spaceflightnow.com/2022/10/22/oneweb-celebrates-successful-launch-on-indian-rocket/. 
  104. ↑ "LVM3 M2 / OneWeb India-1 Mission". https://www.isro.gov.in/lvm3.html. 
  105. ↑ "OneWeb Satellites arriving in india" (in en). http://oneweb.net/resources/oneweb-and-nsil-isro-announce-satellite-arrival-ahead-historic-launch-india. 
  106. ↑ "Isro launches 36 OneWeb satellites in 1st commercial launch for LVM-3". https://www.indiatoday.in/science/story/isro-launches-36-oneweb-satellites-first-commercial-launch-lvm-3-2288531-2022-10-23. 
  107. ↑ Davenport, Justin (26 March 2023). "OneWeb completes initial constellation with launch from India". NASASpaceFlight. https://www.nasaspaceflight.com/2023/03/oneweb-18/. 
  108. ↑ Davenport, Justin (14 July 2023). "Chandrayaan-3 lunar landing mission launches from India". NASASpaceFlight. https://www.nasaspaceflight.com/2023/07/chandrayaan-3-launch/. 
  109. ↑ "Chandrayaan-3 | A flight to the moon" (in en-IN). The Hindu. 2023-07-15. ISSN 0971-751X. https://www.thehindu.com/sci-tech/science/chandrayaan-3-a-flight-to-the-moon/article67084942.ece. 
  110. ↑ "LVM3 M4 vehicle successfully launched Chandrayaan-3 into orbit". 14 July 2023. https://www.isro.gov.in/Chandrayaan3_Details.html. 
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  112. ↑ "'J&K to be paradise of peace & prosperity soon': Dr Jitendra Singh". https://www.newindianexpress.com/nation/2022/nov/15/jk-to-be-paradise-of-peace--prosperity-soondr-jitendra-singh-2518372.html. "The unmanned Gaganyaan project is set for a mid-2024 launch." 
  113. ↑ 113.0 113.1 113.2 113.3 "Space Assigned Numbers Authority (SANA)". https://sanaregistry.org/r/spacecraft/records/1495. 
  114. ↑ 114.0 114.1 "EXCLUSIVE: No Gaganyaan unmanned flight this year" (in en). https://www.theweek.in/news/sci-tech/2022/01/25/exclusive-no-gaganyaan-unmanned-flight-this-year.html. 
  115. ↑ "Prime Minister reviews readiness of Gaganyaan Mission". https://pib.gov.in/PressReleseDetail.aspx?PRID=1968368. 
  116. ↑ Mehta, Jatan (19 November 2020). "India's Shukrayaan orbiter to study Venus for over four years, launches in 2024". SpaceNews. https://spacenews.com/indias-shukrayaan-orbiter-to-study-venus-for-over-four-years-launches-in-2024/. 
  117. ↑ Krishna, Raghu (September 8, 2019). "ISRO's big space plans: Take a look at the missions the space agency has lined up in the coming years". The Ecconomic Times. https://economictimes.indiatimes.com/news/science/isros-big-space-plans-take-a-look-at-the-missions-the-space-agency-has-lined-up-in-the-coming-years/back-to-mars/slideshow/71032409.cms. 
  118. ↑ "India plans second Mars mission in 2018". News18. 29 October 2014. https://www.news18.com/news/india/india-plans-second-mars-mission-in-2018-723053.html. 
  119. ↑ Madhumathi, D.S. (10 August 2016). "ISRO sets the ball rolling for Mars Mission-2". The Hindu. http://www.thehindu.com/news/national/ISRO-sets-the-ball-rolling-for-Mars-Mission-2/article14562147.ece. 
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