Engineering:VL-SRSAM

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Short description: Indian surface to air missile series

VL-SRSAM
VL-SRSAM tested from vertical launch system.jpg
VL-SRSAM being tested from vertical launch system by DRDO.
TypeSurface-to-air missile
Place of originIndia
Service history
In service2022 (2022)
Used byIndian Navy
Production history
DesignerDefence Research and Development Organisation
ManufacturerBharat Dynamics Limited
Specifications
Mass170 kg (370 lb)
Length3.93 m (12.9 ft)
Diameter178 mm (7.0 in)
WarheadHigh-explosive pre-fragmented HMX/PU[1]
Detonation
mechanism
Radio proximity fuze
EngineSolid-propellant rocket
Wingspan508 mm (20.0 in)
PropellantSolid fuel
Operational
range
80 km[2]
Flight altitude16 km (52,000 ft)[3]
SpeedMach 4.5[4]
Guidance
system
Mid-course: Fibre-optic gyro based inertial navigation system with mid-course update via datalink.
Terminal: Active radar homing
Launch
platform
Surface Ship

The Vertical Launch – Short Range Surface to Air Missile, or VL-SRSAM is a quick reaction surface-to-air missile developed by the Indian Defence Research and Development Organisation (DRDO).[5] During mid-course flight, the missile uses fibre-optic gyroscope based inertial guidance mechanism while in terminal phase uses active radar homing. With lock on before launch (LOBL) and lock on after launch (LOAL) capability, the missile receives mid-course update via datalink. VL-SRSAM intended to replace older Barak 1 surface to air missile system onboard Indian Navy warships.[6] It will also be used as short range air defence system for Indian Air Force.[7]

Design

VL-SRSAM is based on Astra Mark 1 air-to-air missile with four short-span long-chord cruciform wings that provide aerodynamic stability. It also includes additional jet vane driven thrust vector control to enable quick reaction time on vertical launch and smokeless exhaust.[8] VL-SRSAM conceived for area and point-defence role to save naval platforms. Each Vertical Launch System (VLS) can hold forty missiles in a twin quad-pack canister configuration carrying eight missiles each for hot launch that can be installed in an arrangement of multiple launch systems based on availability of space on the ship. The missile is for neutralizing various aerial threats at medium and close ranges, including fighter aircraft and sea skimming anti-ship missiles.[9] As an integrated solution of missile and weapon control system (WCS) with 360° interception capability, it can detect and engage threats from different directions. Although plan was to develop short range air defence missile, VL-SRSAM achieved a range of 50 km making it a medium range air defence system. The missile is said to be fitted in destroyers, frigates, corvettes and aircraft carriers.[10][11]

Defence Research and Development Laboratory (DRDL), Research & Development Establishment (Engineers), Research Centre Imarat (RCI) and some private sector industries were involved in the design and development of the missile system as part of Development cum Production Partner programme (DCPP).[6][12] VL-SRSAM superseded the cancelled Maitri missile project undertaken jointly by MBDA and DRDO based on the work done on MICA and Trishul.[13]

Testing

The maiden test firing of VL-SRSAM took place on 22 February 2021. DRDO successfully test fired two VL-SRSAM at Odisha coast. The launch tested the efficacy of vertical launch system and missile's maximum and minimum range. Both the missile successfully intercepted their target with pin point accuracy.[14]

VL-SRSAM was successfully tested by DRDO from Integrated Test Range, Chandipur, off the coast of Odisha on 7 December 2021. The launch was conducted from a vertical launcher against an electronic target at a very low altitude. The launch was conducted to validate integrated operation of all weapon system components including the vertical launcher unit with controller, canisterised flight vehicle, weapon control system etc.[15]

First shipborne test of VLSRSAM

Defence Research and Development Organisation (DRDO) on 24 June 2022 announced that India has successfully test-fired the Vertically Launched Short Range Surface to Air Missile (VL-SRSAM) from an Indian Naval Ship off the coast of Chandipur in Odisha. The launch of the system was conducted against a high-speed aerial target mimicking aircraft, which was successfully engaged. [16]

DRDO and Indian Navy successfully flight tested VL-SRSAM from the ITR,Chandipur off the coast of Odisha on 23 August 2022.The flight test was carried out from an Indian Naval Ship against a high-speed unmanned aerial target for demonstration of vertical launch capability. The missiles, equipped with indigenous Radio Frequency (RF) seeker, intercepted the target with high accuracy.[17]

In 2023,DRDO again test fired VL-SRSAM from Integrated Test Range, Chandipur.[18]

Operators

 India
  • Indian Navy
    • Rajput-class destroyer

See also

  • Trishul
  • Maitri
  • XR-SAM
  • Barak 8
  • Akash-NG
  • Akash
  • Advanced Air Defence (AAD)
  • Prithvi Air Defence (PAD)
  • QRSAM


References

  1. ↑ Aroor, Shiv. "How India's ASTRA Air-To-Air Missile Is Quietly Killing It". https://www.livefistdefence.com/2018/03/how-indias-astra-air-to-air-missile-is-quietly-killing-it.html. 
  2. ↑ "Ministry Of Defence - Year end review 2023". 22 December 2023. https://pib.gov.in/pib.gov.in/Pressreleaseshare.aspx?PRID=1989502. 
  3. ↑ "VL-SRSAM missile system successfully test-fired". 2022-06-25. https://indianexpress.com/article/cities/pune/vl-srsam-missile-system-successfully-test-fired-7989717/. 
  4. ↑ Bhardwaj, Tarun (17 September 2019). "Deadly weapon! IAF successfully test-fires air-to-air missile Astra from Sukhoi-30 combat aircrafts [sic"]. Financial Express. https://www.financialexpress.com/defence/deadly-weapon-iaf-successfully-test-fires-air-to-air-missile-astra-from-sukhoi-30-combat-aircrafts/1708799/. 
  5. ↑ Rout, Hemant K. "Maiden test of Vertically Launched SRSAM from ITR off Odisha coast likely today". The New Indian Express. The New Indian Express. https://www.newindianexpress.com/states/odisha/2021/feb/22/maiden-test-of-vertically-launched-srsam-from-itr-off-odisha-coast-likely-today-2267271.html. 
  6. ↑ 6.0 6.1 "DRDO conducts first launch of the VL-SRSAM" (in en). https://www.theweek.in/news/india/2021/02/22/drdo-conducts-first-launch-of-vl-srsam.html. 
  7. ↑ "DRDO successfully launches VL-SRSAM twice | India News - Times of India" (in en). Feb 22, 2021. https://timesofindia.indiatimes.com/india/drdo-successfully-launches-vl-srsam-twice/articleshow/81157352.cms. 
  8. ↑ Kulkarni, Sushant (2021-12-11). "Explained: What is the vertical launch surface to air missile that India has successfully test-fired?" (in en). https://indianexpress.com/article/explained/what-is-vertical-launch-short-range-surface-to-air-missile-7667344/. 
  9. ↑ "Navy's Surface-To-Air Missile Test-Fired, Can Hit Sea-Skimming Targets". https://www.ndtv.com/india-news/navys-vertical-launch-short-range-surface-to-air-missile-test-fired-can-hit-sea-skimming-targets-2376308. 
  10. ↑ "DRDO successfully launches Surface to Air Missile capable of neutralising aerial threats" (in en). 2021-02-22. https://zeenews.india.com/india/drdo-successfully-launches-surface-to-air-missile-vl-srsam-missile-system-capable-of-neutralizing-aerial-threats-2343701.html. 
  11. ↑ Rout, Hemant Kumar (22 February 2021). "Maiden test of Vertically Launched SRSAM from ITR off Odisha coast likely today". https://www.newindianexpress.com/states/odisha/2021/feb/22/maiden-test-of-vertically-launched-srsam-from-itr-off-odisha-coast-likely-today-2267271.html. 
  12. ↑ "DRDO opens up missile production partnership for Indian private sector" (in en). 6 April 2021. https://timesofindia.indiatimes.com/india/drdo-opens-up-missile-production-partnership-for-indian-private-sector/articleshow/81928553.cms. 
  13. ↑ Rout, Hemant Kumar (23 February 2021). "DRDO conducts successful flight test of VL-SRSAM". https://www.newindianexpress.com/states/odisha/2021/feb/23/drdo-conducts-successful-flight-test-of-vl-srsam-2267748.html. 
  14. ↑ "Successful Launches of VL-SRSAM Missile System" (Press release). PIB. 22 February 2021.
  15. ↑ "Successful Flight Test of Vertical Launch Short Range Surface to Air Missile" (Press release). PIB. 7 December 2021.
  16. ↑ "India successfully test-fires VL-SRSAM from Indian Naval Ship off Odisha coast: DRDO" (Press release). Times Now. 24 June 2022.
  17. ↑ "DRDO & Indian Navy successfully flight-test Vertical Launch Short Range Surface-to-Air Missile off Odisha coast". https://pib.gov.in/pib.gov.in/Pressreleaseshare.aspx?PRID=1853841. 
  18. ↑ "MINISTRY OF DEFENCE - YEAR END REVIEW 2023". Press Information Bureau. 22 December 2023. https://pib.gov.in/PressReleaseIframePage.aspx?PRID=1989502. 



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