Engineering:SpaceX launch vehicles

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Short description: Launch vehicles developed and operated by SpaceX
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Flown SpaceX launch vehicles to scale – from left to right, the Falcon 1, Falcon 9 v1.0, Falcon 9 v1.1, Falcon 9 Full Thrust, Falcon 9 Block 5, Falcon Heavy, and Falcon Heavy Block 5 and Starship

SpaceX manufactures launch vehicles to operate its launch provider services and to execute its various exploration goals. SpaceX currently manufactures and operates the Falcon 9 Full Thrust family of medium-lift launch vehicles and the Falcon Heavy family of heavy-lift launch vehicles – both of which powered by SpaceX Merlin engines and employing VTVL technologies to reuse the first stage. As of 2023, the company is also developing the fully reusable Starship launch system, which will replace the Falcon 9 and Falcon Heavy.

SpaceX's first launch vehicle, the Falcon 1, was the first privately developed liquid fuel launch vehicle to be launched into orbit, and utilized SpaceX's Merlin and Kestrel engines for its first and second stages, respectively. It was launched five times from Omelek Island between 2006 and 2009 – the Falcon 1e and Falcon 5 variants were planned but never developed. The Falcon 9 v1.0, utilizing upgraded Merlin engines on both its stages, was developed as part of the United States Air Force 's Evolved Expendable Launch Vehicle program and NASA's Commercial Orbital Transportation Services program. It was first launched from Cape Canaveral Air Force Station in 2010 and later replaced by the Falcon 9 v1.1 series in 2013, which was also launched from Vandenberg Air Force Base . The Falcon 9 Full Thrust and Falcon Heavy variants followed in 2015 and 2018, and are both launched from Kennedy, in addition to Cape Canaveral and Vandenberg.

Nomenclature

Elon Musk, CEO of SpaceX, has stated that the Falcon 1, 9, and Heavy are named after the Millennium Falcon from the Star Wars film series.[1]

Current launch vehicles

Falcon Heavy

Main page: Engineering:Falcon Heavy
Falcon Heavy on pad LC-39A.

Falcon Heavy (FH) is a super heavy lift space launch vehicle designed and manufactured by SpaceX. The Falcon Heavy is a variant of the Falcon 9 launch vehicle comprising three Falcon 9 first stages: a reinforced center core, and two additional side boosters. All three boosters are designed to be recovered and reused, although expendable flights are possible to increase the payload capacity. The side boosters assigned to Falcon Heavy's first flight were recovered from two prior Falcon 9 missions. SpaceX successfully launched the Falcon Heavy on February 6, 2018, delivering a payload comprising Musk's personal Tesla Roadster onto a trajectory reaching the orbit of Mars.[2]

Falcon 9 "Full Thrust"

Main page: Engineering:Falcon 9 Full Thrust

The "Full Thrust" version of Falcon 9 is an upgraded version of the Falcon 9 v1.1. It was used the first time on 22 December 2015 for the ORBCOMM-2 launch at Cape Canaveral SLC-40 launch pad.[citation needed]

The first stage was upgraded with a larger liquid oxygen tank, loaded with subcooled propellants to allow a greater mass of fuel in the same tank volume. The second stage was also extended for greater fuel tank capacity. These upgrades brought a 33% increase to the previous rocket performance.[3] Five sub-variants have been flown; only Falcon 9 Block 5 is still active.[citation needed]

By default the first stage lands and gets reused, although it can be expended to increase the payload capacity.[citation needed]

In development

Starship

This section is an excerpt from SpaceX Starship[ edit ]

Retired

Falcon 1

Main page: Engineering:Falcon 1
The first Falcon 1 at Vandenberg AFB. This vehicle was removed from VAFB due to delays and eventually launched from Kwajalein.

The Falcon 1 is a small, partially reusable rocket capable of placing several hundred kilograms into low earth orbit.[4] It also functioned as a testbed for developing concepts and components for the larger Falcon 9.[4] Initial Falcon 1 flights were launched from the US government's Reagan Test Site on the island atoll of Kwajalein in the Pacific Ocean, and represented the first attempt to fly a ground-launched rocket to orbit from that site.[5]

On 26 March 2006, the Falcon 1's maiden flight failed only seconds after leaving the pad due to a fuel line rupture.[6][7] After a year, the second flight was launched on 22 March 2007 and it also ended in failure, due to a spin stabilization problem that automatically caused sensors to turn off the Merlin 2nd-stage engine.[5] The third Falcon 1 flight used a new regenerative cooling system for the first-stage Merlin engine, and the engine development was responsible for the almost 17-month flight delay.[8] The new cooling system turned out to be the major reason the mission failed; because the first stage rammed into the second-stage engine bell at staging, due to excess thrust provided by residual propellant left over from the higher-propellant-capacity cooling system.[8] On 28 September 2008, the Falcon 1 succeeded in reaching orbit on its fourth attempt, becoming the first privately funded, liquid-fueled rocket to do so.[9] The Falcon 1 carried its first and only successful commercial payload into orbit on 13 July 2009, on its fifth launch.[10] No launch attempts of the Falcon 1 have been made since 2009, and SpaceX is no longer taking launch reservations for the Falcon 1 in order to concentrate company resources on its larger Falcon 9 launch vehicle and other development projects.[citation needed]

Falcon 9 v1.0

The first version of the Falcon 9 launch vehicle, Falcon 9 v1.0, was developed in 2005–2010, and was launched for the first time in 2010. Falcon 9 v1.0 made five flights in 2010–2013, when it was retired.

Falcon 9 v1.1

SpaceX's Falcon 9 rocket carrying the Dragon spacecraft, lifts off during the COTS Demo Flight 1 on 8 December 2010
Main page: Engineering:Falcon 9 v1.1

On 8 September 2005, SpaceX announced the development of the Falcon 9 rocket, which has nine Merlin engines in its first stage.[11] The design is an EELV-class vehicle, intended to compete with the Delta IV and the Atlas V, along with launchers of other nations as well. Both stages were designed for reuse. A similarly designed Falcon 5 rocket was also envisioned to fit between[12] the Falcon 1 and Falcon 9, but development was dropped to concentrate on the Falcon 9.[11]

The first version of the Falcon 9, Falcon 9 v1.0, was developed in 2005–2010, and flew five orbital missions in 2010–2013. The second version of the launch system—Falcon 9 v1.1— has been retired meanwhile.

Falcon 9 v1.1 was developed in 2010–2013, and made its maiden flight in September 2013. The Falcon 9 v1.1 is a 60 percent heavier rocket with 60 percent more thrust than the v1.0 version of the Falcon 9.[13] It includes realigned first-stage engines[14] and 60 percent longer fuel tanks, making it more susceptible to bending during flight.[13] The engines themselves have been upgraded to the more powerful Merlin 1D. These improvements increased the payload capability from 9,000 to 13,150 kilograms (9.00 to 13.15 t; 19,840 to 28,990 lb; 9.92 to 14.50 short tons).[15]

The stage separation system has been redesigned and reduces the number of attachment points from twelve to three,[13] and the vehicle has upgraded avionics and software as well.[13]

The new first stage was also supposed be used as side boosters on the Falcon Heavy launch vehicle.[16]

The company purchased the McGregor, Texas, testing facilities of defunct Beal Aerospace, where it refitted the largest test stand at the facilities for Falcon 9 testing. On 22 November 2008, the stand tested the nine Merlin 1C engines of the Falcon 9, which deliver 770,000 pounds-force (3,400 kN) of thrust, well under the stand's capacity of 3,300,000 pounds-force (15,000 kN).[17]

The first Falcon 9 vehicle was integrated at Cape Canaveral on 30 December 2008. NASA was planning for a flight to take place in January 2010;[18] however the maiden flight was postponed several times and took place on 4 June 2010.[19] At 2:50pm EST (14:50 ET), the Falcon 9 rocket successfully reached orbit.[citation needed]

The second flight for the Falcon 9 vehicle was the COTS Demo Flight 1, the first launch under the NASA Commercial Orbital Transportation Services (COTS) contract designed to provide "seed money" for development of new boosters.[20] The original NASA contract called for the COTS Demo Flight 1 to occur the second quarter of 2008;[21] this flight was delayed several times, occurring at 15:43 GMT on 8 December 2010.[22] The rocket successfully deployed an operational Dragon spacecraft at 15:53 GMT.[22] Dragon orbited the Earth twice, and then made a controlled reentry burn that put it on target for a splashdown in the Pacific Ocean off the coast of Mexico.[citation needed] The first flight of the Falcon 9 v1.1 was September 29, 2013 from Vandenberg Air Force Base carrying several payloads including Canada's CASSIOPE technology demonstration satellite.[23] The Falcon 9 v1.1 features stretched first and second stages, and a new octagonal arrangement of the 9 Merlin-1D engines on the first stage (replacing the square pattern of engines in v1.0). SpaceX notes that the Falcon 9 v1.1 is cheaper to manufacture, and longer than v1.0. It also has a larger payload capacity: 13,150 kilograms to low Earth orbit or 4,850 kg to geosynchronous transfer orbit.[23]

Grasshopper

Grasshopper vehicle in September 2012
Main page: Engineering:Grasshopper (rocket)

Grasshopper was an experimental technology-demonstrator, suborbital reusable launch vehicle (RLV), a vertical takeoff, vertical landing (VTVL) rocket.[24] The first VTVL flight test vehicle—Grasshopper, built on a Falcon 9 v1.0 first-stage tank—made a total of eight test flights between September 2012 and October 2013.[25] All eight flights were from the McGregor, Texas, test facility.

Grasshopper began flight testing in September 2012 with a brief, three-second hop. It was followed by a second hop in November 2012, which consisted of an 8-second flight that took the testbed approximately 5.4 m (18 ft) off the ground. A third flight occurred in December 2012 of 29 seconds duration, with extended hover under rocket engine power, in which it ascended to an altitude of 40 m (130 ft) before descending under rocket power to come to a successful vertical landing.[26] Grasshopper made its eighth and final test flight on October 7, 2013, flying to an altitude of 744 m (2,441 ft; 0.462 mi) before making its eighth successful vertical landing.[27] The Grasshopper test vehicle is now retired.[25]

Cancelled

Falcon 1e

The Falcon 1e was a proposed upgrade of the SpaceX Falcon 1. The Falcon 1e would have featured a larger first stage with a higher thrust engine, an upgraded second stage engine, a larger payload fairing, and was intended to be partially reusable. Its first launch was planned for mid-2011,[28] but the Falcon 1 and Falcon 1e were withdrawn from the market, with SpaceX citing "limited demand," before its debut.[29][30] Payloads that would have flown on the Falcon 1 were instead to be flown on the Falcon 9 using excess capacity.[31]

The Falcon 1e was to be 6.1 m (20 ft) longer than the Falcon 1, with an overall length of 27.4 m (90 ft), but with the same 1.68 m (5 ft 6 in) diameter. Its first stage had a dry mass of 2,580 kg (5,680 lb), and was powered by an upgraded[32] pump-fed[33] Merlin 1C engine burning 39,000 kg (87,000 lb) of RP-1 and liquid oxygen. The first stage burn time was around 169 seconds.[33] The second stage had a dry mass of 540 kg (1,200 lb) and its pressure-fed[33] Kestrel 2 engine burned 4,000 kg (8,900 lb) of propellant. The restartable Kestrel 2 could burn for up to a total of 418 seconds.[34]

The Falcon 1e planned to use Aluminum Lithium alloy 2195 in the second stage, a change from the 2014 Aluminum used in the Falcon 1 second stages.[33]

Falcon 1e launches were intended to occur from Omelek Island, part of Kwajalein Atoll in the Marshall Islands, and from Cape Canaveral, however SpaceX had announced that they would consider other locations as long as there is a "business case for establishing the requested launch site".[34] Following a demonstration flight, the Falcon 1e was intended to make a series of launches carrying Orbcomm O2G spacecraft, with a total of eighteen satellites being launched, several per rocket.[35] EADS Astrium had been responsible for marketing the Falcon 1e in Europe.[28]

Falcon 5

Early Falcon 5 design

The Falcon 5 was a proposed two-stage-to-orbit partially reusable launch vehicle designed by SpaceX.[36]

The first stage of Falcon 5 was to be powered by five Merlin engines, and the upper stage by one Merlin engine, both burning RP-1 with a liquid oxygen oxidizer. Along with the Falcon 9, it would have been the world's only launch vehicle with its first stage designed for reuse.[37]

The Falcon 5 would have been the first American rocket since the Saturn V to have full engine-out capability, meaning that with the loss of one engine, it can still meet mission requirements by burning the other four engines longer to achieve the correct orbit.[38] In comparison, the Space Shuttle only had partial engine-out capability, meaning that it was not able to achieve proper orbit by burning the remaining engines longer.[38]

In 2006, SpaceX stated that the Falcon 5 was a Falcon 9 with four engines removed.[38] Since the launchers were being co-developed, work on the Falcon 9 was also applicable to the Falcon 5.[38][39]

Falcon 9 Air

Falcon 9 Air would have been an air-launched multi-stage launch vehicle under development by SpaceX in 2011–2012. Falcon 9 Air was to be carried to launch position and launch altitude by a Stratolaunch Systems carrier aircraft, the world's largest aircraft by wingspan. Payload to low Earth orbit was projected to be 6,100 kg (13,400 pounds).

Propulsion for the rocket was planned to be provided by four Merlin 1D rocket engines, engines that were also to be used in the Falcon 9 v1.1 beginning in 2013, and also on the Falcon Heavy in 2014. First flight for the air-launched Falcon 9 Air rocket was notionally planned for 2016.

In December 2011 Stratolaunch Systems announced that it would contract with SpaceX to develop an air-launched, multiple-stage launch vehicle, as a derivative of Falcon 9 technology, called the Falcon 9 Air,[40] as part of the Stratolaunch project.[41] As initially conceived with the SpaceX Falcon 9 Air (F9A) launch vehicle, Stratolaunch was to initially place satellites of up to 6,100 kg (13,400 pounds) into low Earth orbit; and once established as a reliable system, announced that it would explore a human-rated version.[42] The system can take off from airfields with a minimum 3,700 m (12,100 feet) length, and the F9A carrier aircraft was proposed to travel to a launch point up to 2,200 km (1,200 nautical miles) away from the airfield and fly at a launch altitude of 9,100 m (30,000 feet).[41]

A month after the initial announcement, Stratolaunch confirmed that the first stage of the F9A launch vehicle would have only four engines, not the five that were shown in the mission video in December, and that they would be SpaceX Merlin 1D engines.[43]

As initially announced, Stratolaunch Systems was a collaborative project that included subcontractors SpaceX, Scaled Composites, and Dynetics, with funding provided by Microsoft co-founder Paul G. Allen's Vulcan investment and project management company.[44] Stratolaunch set out to build a mobile launch system with three primary components: a carrier aircraft (aircraft concept was designed by Burt Rutan, but the aircraft will be designed and built by Scaled Composites); a multi-stage launch vehicle to be developed and built by SpaceX; and a mating and integration system — allowing the carrier aircraft to safely carry and release the booster — to be built by Dynetics, a Huntsville, Alabama-based engineering company.[42] The whole system will be the largest aircraft ever built; with the first test flight of the carrier aircraft originally expected in 2015 from Scaled Composites' facilities in Mojave, California,[42] while the first test launch of the rocket was not expected before 2016 at the time of the project getting underway.[45]

As the Stratolaunch development program progressed, it became clear that Stratolaunch and the system integrator, Dynetics, wanted modifications to the SpaceX basic launch-vehicle design that SpaceX felt were not strategic to the direction they were growing the company. These included requested modifications to the launch vehicle to add chines.[46]

Development ceased in the fourth quarter of 2012, as SpaceX and Stratolaunch "amicably agreed to end [their] contractual relationship because the [Stratolaunch] launch vehicle design [had] departed significantly from the Falcon derivative vehicle envisioned by SpaceX and does not fit well with [SpaceX's] long-term strategic business model".[46]

On 27 November 2012 Stratolaunch announced that they would partner with Orbital Sciences Corporation—initially on an air-launched vehicle study contract—instead of SpaceX, effectively ending development of the Falcon 9 Air.[46]

In May 2013, the Falcon 9 Air was eventually replaced in the development plan by the Orbital Sciences Pegasus II air-launched rocket.[47]

Competitive position

SpaceX Falcon rockets are being offered to the launch industry at highly competitive prices, allowing SpaceX to build up a large manifest of over 50 launches by late 2013, with two-thirds of them for commercial customers exclusive of US government flights.[48][49]

In the US launch industry, SpaceX prices its product offerings well below its competition. Nevertheless, "somewhat incongruously, its primary US competitor, United Launch Alliance (ULA), still maintained (in early 2013) that it requires a large annual subsidy, which neither SpaceX nor Orbital Sciences receives, in order to remain financially viable, with the reason cited as a lack of market opportunity, a stance which seems to be in conflict with the market itself."[50]

SpaceX launched its first satellite to geostationary orbit in December 2013 (SES-8) and followed that a month later with its second, Thaicom 6, beginning to offer competition to the European and Russian launch providers that had been the major players in the commercial communications satellite market in recent years.[49]

SpaceX prices undercut its major competitors—the Ariane 5 and Proton—in this market.[51]

Moreover, SpaceX prices for Falcon 9 and Falcon Heavy are much lower than the projected prices for Ariane 6, projected to be available in 2020, respectively.[52]

As a result of additional mission requirements for government launches, SpaceX prices US government missions somewhat higher than similar commercial missions, but has noted that even with those added services, Falcon 9 missions contracted to the government are still priced well below US$100 million (even with approximately US$9 million in special security charges for some missions) which is a very competitive price compared to ULA prices for government payloads of the same size.[53]

ULA prices to the US government are nearly $400 million for current launches of Falcon 9- and Falcon Heavy-class payloads.[54][needs update]

SpaceX had a rare coincidence of four rockets (all types of operational and under-development rockets) on all four of its orbital launch pads and two Dragon 2s (both types of Dragon 2s) on orbit on 10 January 2023.[55] This was coupled before the end of the year with SpaceX igniting all of their rockets within 24 hours on 28-29 December 2023 (Falcon family rockets launching on their missions and both Starship stages doing static fires).[56][57]

Comparison

Falcon 1 Falcon 1e Falcon 9 v1.0 Falcon 9 v1.1 Falcon 9 Full Thrust Falcon Heavy
Booster Stage − − − − − 2 boosters with
9 × Merlin 1D (with minor upgrades)[58]
Stage 1 1 × Merlin 1C[A] 1 × Merlin 1C 9 × Merlin 1C 9 × Merlin 1D 9 × Merlin 1D (with minor upgrades)[58] 9 × Merlin 1D (with minor upgrades)[59]
Stage 2 1 × Kestrel 1 × Kestrel 1 × Merlin Vacuum 1 × Merlin Vacuum 1 × Merlin 1D Vacuum (with minor upgrades)[58][59] 1 × Merlin 1D Vacuum (with minor upgrades)[58][59]
Max. height (m) 21.3 26.83 54.9[4] 68.4[60] 70[59][61] 70[59][61]
Diameter (m) 1.7 1.7 3.6[4] 3.7[60][62] 3.7[60][62] 3.7 × 11.6[63]
Initial thrust (kN) 318 454 4,900[4] 5,885[60]
22,819[63]
Takeoff mass (tonnes) 27.2 38.56 333[4] 506[60] 549[61] 1,421[63]
Inner fairing diameter (m) 1.5 1.71 3.7 or 5.2[4] 5.2[60][62] 5.2 5.2[63]
LEO payload (kg) 570 1,010 10,450[4] 13,150[60] 22,800 (expendable, from Cape Canaveral)[66] 63,800 (expendable)[63]
GTO payload (kg) − − 4,540[4] 4,850[60][62]
26,700 (expendable)[63]
Price history
(mil. United States dollar ) 		2006: 6.7 [69]
2007: 6.9 [70]
2008: 7.9 [69] 		2007: 8.5 [69]
2008: 9.1 [69]
2010: 10.9 [69] 		2005: 27 (3.6 m fairing to LEO)
          35 (5.2 m fairing to LEO)[71]
2011: 54 to 59.5[4] 		2013: 54[72] – 56.5[15] 2014: 61.2 [61] 2011: 80 to 124 [73]
2012: 83 to 128[74]
2013: 77.1 (≤6,400 kg to GTO)[15]
          135 (>6,400 kg to GTO)[15]
Current price (mil. United States dollar ) − − − — 62 (≤5,500 kg to GTO)[75] 90 (≤8,000 kg to GTO)[75]
Success ratio (successful/total) 2/5 − 5/5[76] 14/15 (CRS-7 lost in flight) 93/93 (not including loss of AMOS-6) 3/3

A Post 2008. Merlin 1A was used from 2006 until 2007.[77]

See also

  • List of Falcon 9 and Falcon Heavy launches

Notes

References

  1. ↑ "Joseph Gordon-Levitt at SpaceX". Youtube. p. timeindex 2:25. https://www.youtube.com/watch?v=hwMIAKabRng. 
  2. ↑ Harwood, William (2018-02-06). "SpaceX Falcon Heavy launch puts on spectacular show in maiden flight". CBS News. https://www.cbsnews.com/news/watch-live-falcon-heavy-launch-spacex-online-stream-live-updates/. 
  3. ↑ SpaceX (2015-12-21). "ORBCOMM-2 Full Launch Webcast". https://www.youtube.com/watch?v=O5bTbVbe4e4. 
  4. ↑ 4.0 4.1 4.2 4.3 4.4 4.5 4.6 4.7 4.8 4.9 "Falcon 9 Overview". SpaceX. 2011. http://www.spacex.com/falcon9.php. 
  5. ↑ 5.0 5.1 Cane, Fraser (2007-03-22). "SpaceX'sFalcon-1 Briefly Reaches Space". The Universe Today. http://www.universetoday.com/1465/spacexs-falcon-1-briefly-reaches-space/. 
  6. ↑ Malik, Tariq (2006-03-26). "Article: Fuel Leak and Fire Led to Falcon 1 Rocket Failure, SpaceX Says". Space.com. http://www.space.com/2200-fuel-leak-fire-led-falcon-1-rocket-failure-spacex.html. 
  7. ↑ Malik, Tariq (2006-03-26). "SpaceX's Inaugural Falcon 1 Rocket Lost Just After Launch". Space.com. http://www.space.com/2196-spacex-inaugural-falcon-1-rocket-lost-launch.html. 
  8. ↑ 8.0 8.1 O'Neill, Ian (2008-08-16). "Video of SpaceX Falcon 1 Flight 3 Launch Shows Stage Separation Anomaly". The Universe Today. http://www.universetoday.com/16900/video-of-spacex-falcon-1-flight-3-shows-stage-separation-anomaly/. 
  9. ↑ "SpaceX Successfully Launches Falcon 1 To Orbit" (Press release). SpaceX. 28 September 2008. Archived from the original on 26 January 2013. Retrieved 2008-09-28.
  10. ↑ Rowe, Aaron (2009-07-14). "SpaceX Launch Successfully Delivers Satellite Into Orbit". Wired Science. https://www.wired.com/wiredscience/2009/07/spacexlaunch/. 
  11. ↑ 11.0 11.1 "SpaceX announces the Falcon 9 fully reusable heavy lift launch vehicle" (Press release). SpaceX.com. 2005-09-08. Archived from the original on 2013-03-26. Retrieved 2009-10-08.
  12. ↑ "Falcon 5". http://www.astronautix.com/f/falcon5.html. 
  13. ↑ 13.0 13.1 13.2 13.3 Klotz, Irene (2013-09-06). "Musk Says SpaceX Being "Extremely Paranoid" as It Readies for Falcon 9's California Debut". Space News. http://www.spacenews.com/article/launch-report/37094musk-says-spacex-being-%E2%80%9Cextremely-paranoid%E2%80%9D-as-it-readies-for-falcon-9%E2%80%99s. 
  14. ↑ "Falcon 9's commercial promise to be tested in 2013". Spaceflight Now. http://spaceflightnow.com/news/n1211/17f9customers/#.UKfUruQ0V8E. 
  15. ↑ 15.0 15.1 15.2 15.3 "SpaceX Capabilities and Services". webpage. SpaceX. 2013. http://www.spacex.com/about/capabilities. 
  16. ↑ "Space Launch report, SpaceX Falcon Data Sheet". http://www.spacelaunchreport.com/falcon9.html. 
  17. ↑ "Falcon 9 Progress Update: 22 November 2008". SpaceX. 2008-11-22. http://www.spacex.com/updates.php#Update082808. 
  18. ↑ "Launches — Mission Set Database". NASA GSFC. http://msdb.gsfc.nasa.gov/launches.php. 
  19. ↑ "NASA Mission Set Database". NASA. http://msdb.gsfc.nasa.gov/MissionData.php?mission=Falcon-9%20ELV%20First%20Flight%20Demonstration. 
  20. ↑ "NASA Awards Launch Services Contract to SpaceX" (Press release). NASA. 2008-04-22. Retrieved 2008-04-22.
  21. ↑ "COTS contract". NASA. http://www.nasa.gov/centers/johnson/pdf/189228main_setc_nnj06ta26a.pdf. 
  22. ↑ 22.0 22.1 "Mission Status Center". SpaceFlightNow. http://www.spaceflightnow.com/falcon9/002/status.html. 
  23. ↑ 23.0 23.1 William Graham (2013-09-29). "SpaceX successfully launches debut Falcon 9 v1.1". NASASpaceFlight.com. http://www.nasaspaceflight.com/2013/09/spacex-debut-falcon-9-v1-1-cassiope-launch/. 
  24. ↑ Klotz, Irene (2011-09-27). "A rocket that lifts off—and lands—on launch pad". MSNBC. http://satellite.tmcnet.com/topics/satellite/articles/222324-spacex-plans-test-reusable-suborbital-vtvl-rocket-texas.htm. 
  25. ↑ 25.0 25.1 Klotz, Irene (2013-10-17). "SpaceX Retires Grasshopper, New Test Rig To Fly in December". Space News. http://www.spacenews.com/article/launch-report/37740spacex-retires-grasshopper-new-test-rig-to-fly-in-december. 
  26. ↑ Boyle, Alan (2012-12-24). "SpaceX launches its Grasshopper rocket on 12-story-high hop in Texas". MSNBC Cosmic Log. http://cosmiclog.nbcnews.com/_news/2012/12/23/16114180-spacex-launches-its-grasshopper-rocket-on-12-story-high-hop-in-texas. 
  27. ↑ "Grasshopper flies to its highest height to date". Social media information release. SpaceX. 12 October 2013. https://www.facebook.com/SpaceX/posts/10153372146765131. "WATCH: Grasshopper flies to its highest height to date - 744 m (2441 ft) into the Texas sky. http://youtu.be/9ZDkItO-0a4 This was the last scheduled test for the Grasshopper rig; next up will be low altitude tests of the Falcon 9 Reusable (F9R) development vehicle in Texas followed by high altitude testing in New Mexico." 
  28. ↑ 28.0 28.1 de Selding, Peter B (13 September 2010). "Astrium to Market SpaceX Falcon 1 Launches in Europe". SpaceNews.com. http://www.spacenews.com/contracts/astrium-market-spacex-falcon-launches-europe.html. 
  29. ↑ "Virgin Galactic relaunches its smallsat launch business". NewSpace Journal. 2012-07-12. http://www.newspacejournal.com/2012/07/11/virgin-galactic-relaunches-its-smallsat-launch-business/. "The Falcon 1e was to provide approximately 1,000 kilograms for $11 million, but the company withdrew the vehicle from the market, citing limited demand." 
  30. ↑ Foust, Jeff (22 August 2011). "New opportunities for smallsat launches". The Space Review. http://www.thespacereview.com/article/1913/1. "We had the Falcon 1 offered for a lengthy period of time and could not securely manifest a sustainable amount to keep the product line going. ... We have promised to reevaluate that at the end of this year, and if we decide the market is viable, we will come back in and reintroduce the Falcon 1e." 
  31. ↑ O'Neill, Ian (2011-09-30). "The Falcon is Dead, Long Live the Falcon?". Discovery News. http://news.discovery.com/space/spacex-falcon-1-production-freeze-110930.html. 
  32. ↑ "Falcon 1 User's Guide". http://www.spacex.com/Falcon1UsersGuide.pdf. 
  33. ↑ 33.0 33.1 33.2 33.3 Bjelde, Brian; Max Vozoff; Gwynne Shotwell (August 2007). "The Falcon 1 Launch Vehicle: Demonstration Flights, Status, Manifest, and Upgrade Path". 21st Annual AIAA/USU Conference on Small Satellites (SSC07 ‐ III ‐ 6). http://digitalcommons.usu.edu/cgi/viewcontent.cgi?article=1456&context=smallsat. Retrieved 2013-12-06. 
  34. ↑ 34.0 34.1 "Falcon 1 Launch Vehicle Payload User's Guide". Space Exploration Technologies Corporation. May 2008. http://www.spacex.com/Falcon1UsersGuide.pdf. 
  35. ↑ Ferster, Warren (3 September 2009). "SpaceX Lands Orbcomm 18 Satellite Launch Deal". SpaceNews.com. http://www.spacenews.com/launch/spacex-lands-orbcomm-launch-contract.html. 
  36. ↑ Kyle, Ed (1 May 2017). "SpaceX Falcon 9 Data Sheet". Space Launch Report. http://www.spacelaunchreport.com/falcon9.html. 
  37. ↑ "SpaceX announces the Falcon 9 fully reusable heavy lift launch vehicle" (Press release). SpaceX. 8 September 2005. Archived from the original on 26 March 2013. Retrieved 26 March 2013.
  38. ↑ 38.0 38.1 38.2 38.3 Wade, Mark. "Falcon 5". Encyclopedia Astronautica. http://www.astronautix.com/lvs/falcon5.htm. 
  39. ↑ Musk, Elon (17 August 2007). "Monster Progress Update (Mostly Falcon 9)". SpaceX. http://www.spacex.com/updates_archive.php?page=081707. 
  40. ↑ "The Stratolaunch Team". Stratoluanch Systems. 2011. http://stratolaunch.com/team.html. "... integrate the SpaceX Falcon 9 Air with the Scaled Composites mothership" 
  41. ↑ 41.0 41.1 Bergin, Chris (2011-12-13). "Stratolaunch introduce Rutan designed air-launched system for Falcon rockets". NASAspaceflightnow.com. http://www.nasaspaceflight.com/2011/12/stratolaunch-rutan-designed-air-launched-system-falcon-rockets/. 
  42. ↑ 42.0 42.1 42.2 Mecham, Michael (2011-12-14). "Stratolaunch Aims to Break Affordability Barrier". Aviation Week (New York). http://www.aviationweek.com/aw/generic/story_channel.jsp?channel=space&id=news/awx/2011/12/13/awx_12_13_2011_p0-405946.xml&headline=Stratolaunch%20Aims%20to%20Break%20Affordability%20Barrier. "The first test flight of the carrier aircraft is planned in 2015 from Scaled Composites’ home in Mojave, Calif." [yes|permanent dead link|dead link}}]
  43. ↑ Belfiore, Michael (2012-01-05). "Stratolaunch: world's biggest airplane to launch spaceships". http://michaelbelfiore.com/2012/01/stratolaunch-worlds-biggest-airplane-to-launch-spaceships.html. "The Falcon 4 will be powered by 4 SpaceX Merlin IB engines." 
  44. ↑ Paur, Jason (2011-12-13). "Microsoft Billionaire Paul Allen Launches New Space Venture". Wired (New York). https://www.wired.com/autopia/2011/12/rutan-allen-musk-team-up-for-orbit. 
  45. ↑ Chow, Denise (2011-12-13). "Microsoft Co-Founder Paul Allen Unveils Giant Plane for Private Space Launches". Space.com (New York). http://www.space.com/13915-paul-allen-giant-plane-stratolaunch-systems-private-space.html. 
  46. ↑ 46.0 46.1 46.2 Rosenberg, Zach (2012-11-27). "Stratolaunch and SpaceX part ways". Flight Global. http://www.flightglobal.com/news/articles/stratolaunch-and-spacex-part-ways-379516/. 
  47. ↑ Bergin, Chris (2013-05-25). "Stratolaunch and Orbital – The Height of Air Launch". NASA SpaceFlight. http://www.nasaspaceflight.com/2013/05/stratolaunch-orbital-air-launch/. 
  48. ↑ Dean, James (2013-12-04). "SpaceX makes its point with Falcon 9 launch". USA Today. https://www.usatoday.com/story/tech/2013/12/04/spacex-launch-successful/3866655/. 
  49. ↑ 49.0 49.1 Stephen Clark (3 December 2013). "Falcon 9 rocket launches first commercial telecom payload". Spaceflight Now. http://spaceflightnow.com/falcon9/007/131203launch/. 
  50. ↑ Money, Stewart (2013-01-30). "SpaceX Wins New Commercial Launch Order". Innerspace.net. http://innerspace.net/2013/01/30/spacex-wins-new-commercial-launch-order/. 
  51. ↑ Stephen Clark (24 November 2013). "Sizing up America's place in the global launch industry". Spaceflight Now. http://spaceflightnow.com/falcon9/007/131124commercial/. 
  52. ↑ "Ariane 6 series production begins with first batch of 14 launchers". Arianespace. http://www.arianespace.com/press-release/ariane-6-series-production-begins-with-first-batch-of-14-launchers/. 
  53. ↑ Gwynne Shotwell (2014-03-21). Broadcast 2212: Special Edition, interview with Gwynne Shotwell (audio file). The Space Show. Event occurs at 06:00–07:30. 2212. Archived from the original (mp3) on 2014-03-22. Retrieved 2014-03-22. It is more expensive to do these missions; the Air Force asks for more stuff. The missions that we do for NASA under the NLS contract are also more expensive, because NASA asks to do more analysis, they have us provide more data to them, they have folks who reside here at SpaceX, and we need to provide engineering resources to them to respond to their questions. ... the NASA extra stuff is about $10 million; Air Force stuff is about an extra $20 million, and then if there is high security requirements that can add another 8–10 million. But all in, Falcon 9 prices are still well below $100 million, even with all the stuff, which is really quite a competitive price compared to what ULA is offering.
  54. ↑ William Harwood (5 March 2014). "SpaceX, ULA spar over military contracting". Spaceflight Now. http://spaceflightnow.com/news/n1403/05spacexula/. 
  55. ↑ "SpaceX had four rockets on four pads and two Dragons on orbit today—as CRS-26 Dragon departed the @space_station with Crew-5 Dragon still attached to the orbiting lab, Falcon Heavy rolled out of the hangar, two Falcon 9's readied for launch, and Ship 24 was stacked onto Booster 7" (in en). 10 January 2023. https://mobile.twitter.com/spacex/status/1612698343691673601. 
  56. ↑ updated, Robert Lea last (2023-12-28). "SpaceX Falcon 9 rocket launches 23 Starlink satellites into orbit in final flight of 2023" (in en-GB). https://www.space.com/spacex-starlink-6-36-satellites-launch-webcast. 
  57. ↑ Berger, Eric (2023-12-20). "SpaceX completes static fire test in push toward third Starship launch" (in en-us). https://arstechnica.com/space/2023/12/spacex-completes-static-fire-test-in-push-toward-third-starship-launch/. 
  58. ↑ 58.0 58.1 58.2 58.3 Foust, Jeff (31 August 2015). "SpaceX To Debut Upgraded Falcon 9 on Return to Flight Mission". http://spacenews.com/spacex-to-debut-upgraded-falcon-9-on-return-to-flight-mission/. 
  59. ↑ 59.0 59.1 59.2 59.3 59.4 59.5 "Falcon 9 Launch Vehicle Payload User's Guide, Rev 2". 21 October 2015. http://www.spacex.com/sites/spacex/files/falcon_9_users_guide_rev_2.0.pdf. 
  60. ↑ 60.0 60.1 60.2 60.3 60.4 60.5 60.6 60.7 "Falcon 9". SpaceX. 2013. http://www.spacex.com/falcon9. 
  61. ↑ 61.0 61.1 61.2 61.3 61.4 "Capabilities & Services". SpaceX. http://www.spacex.com/about/capabilities. 
  62. ↑ 62.0 62.1 62.2 62.3 "Space Launch Report : Vehicle Configurations". SLR SpaceX Falcon Data Sheet (tertiary source). Space Launch Report. 2012-12-17. http://www.spacelaunchreport.com/falcon9.html. 
  63. ↑ 63.0 63.1 63.2 63.3 63.4 63.5 "Falcon Heavy". SpaceX. 2013. http://www.spacex.com/falcon-heavy. 
  64. ↑ @elonmusk (1 May 2016). "F9 thrust at liftoff will be raised to 1.71M lbf later this year. It is capable of 1.9M lbf in flight.". https://twitter.com/elonmusk/status/726650591359819776. 
  65. ↑ "Falcon 9". SpaceX. http://www.spacex.com/falcon9. 
  66. ↑ 66.0 66.1 "Capabilities & Services". SpaceX. http://www.spacex.com/about/capabilities. 
  67. ↑ Bergin, Chris (February 8, 2016). "SpaceX prepares for SES-9 mission and Dragon's return". NASA Spaceflight. http://www.nasaspaceflight.com/2016/02/spacex-prepares-ses-9-mission-dragons-return/. "The aforementioned Second Stage will be tasked with a busy role during this mission, lofting the 5,300kg SES-9 spacecraft to its Geostationary Transfer Orbit." 
  68. ↑ Barbara Opall-Rome (12 October 2015). "IAI Develops Small, Electric-Powered COMSAT". DefenseNews. http://www.defensenews.com/story/defense/2015/10/12/iai-develops-small-electric-powered-comsat/73808432/. "At 5.3 tons, AMOS-6 is the largest communications satellite ever built by IAI. Scheduled for launch in early 2016 from Cape Canaveral aboard a Space-X Falcon 9 launcher, AMOS-6 will replace AMOS-2, which is nearing the end of its 16-year life." 
  69. ↑ 69.0 69.1 69.2 69.3 69.4 "SpaceX Falcon Data Sheet". Space Launch Report. 2007-07-05. http://www.spacelaunchreport.com/falcon.html#config. 
  70. ↑ Hoffman, Carl (2007-05-22). "Elon Musk Is Betting His Fortune on a Mission Beyond Earth's Orbit". Wired Magazine. https://www.wired.com/science/space/magazine/15-06/ff_space_musk?currentPage=all. 
  71. ↑ Leonard, David (8 September 2005). "SpaceX to Tackle Fully Reusable Heavy Lift Launch Vehicle". http://www.space.com/1533-spacex-tackle-fully-reusable-heavy-lift-launch-vehicle.html. 
  72. ↑ "Falcon Heavy Overview". SpaceX. 2013. http://www.spacex.com/falcon_heavy.php. 
  73. ↑ "Falcon Heavy Overview". SpaceX. 2011. http://www.spacex.com/falcon_heavy.php. 
  74. ↑ "Space Exploration Technologies Corporation — Falcon Heavy". SpaceX. 2011-12-03. http://www.spacex.com/falcon_heavy.php. 
  75. ↑ 75.0 75.1 "Capabilities and Services". SpaceX. 2014. http://www.spacex.com/about/capabilities. 
  76. ↑ "Dragon spacecraft heads toward International Space Station". SpaceX. 2013-03-01. https://spacex.com/press.php?page=20130301. 
  77. ↑ "Updates Archive". SpaceX. 2007-12-10. http://www.spacex.com/updates_archive.php?page=121007#Update121007. 

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