Commercial Resupply Services
Commercial Resupply Services | |
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Type of project | Aerospace |
Owner | NASA |
Land | Vereinigte Staaten |
Established | 2008 |
Status | Active |
Website | www |
Part of a series on |
Private spaceflight |
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Active companies |
Active vehicles |
Contracts and programs |
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Commercial Resupply Services (CRS) are a series of flights awarded by NASA for the delivery of cargo and supplies to the International Space Station (ISS) on commercially operated spacecraft.[1] The first CRS contracts were signed in 2008 and awarded $1.6 billion to SpaceX for twelve cargo Dragon and $1.9 billion to Orbital Sciences[note 1] for eight Cygnus flights, covering deliveries to 2016. The Falcon 9 and Antares rockets were also developed under the CRS program to deliver cargo spacecraft to the ISS.
The first operational resupply missions were flown by SpaceX in 2012 (SpaceX CRS-1)[2] and Orbital Sciences in 2014 (Cygnus CRS Orb-1).[3]
A second phase of contracts (known as CRS-2) was solicited in 2014. In 2015, NASA extended CRS-1 to twenty flights for SpaceX and twelve flights for Orbital ATK[note 1].[4][5] CRS-2 contracts were awarded in January 2016 to Orbital ATK[note 1] Cygnus, Sierra Nevada Corporation Dream Chaser, and SpaceX Dragon 2, for cargo transport flights beginning in 2019 and expected to last through 2024.
Phase 1 contract awards and demonstration flights
[edit]NASA has been directed to pursue commercial spaceflight options since at least 1984, with the Commercial Space Launch Act of 1984 and Launch Services Purchase Act of 1990. By the 2000s funding was authorized for the Commercial Orbital Transportation Services program, followed by the Commercial Crew Development program.
On 23 December 2008, NASA announced the initial awarding of cargo contracts - twelve flights to SpaceX and eight flights to Orbital Sciences Corporation.[6] PlanetSpace, which was not selected, submitted a protest to the Government Accountability Office.[7] On 22 April 2009, the GAO publicly released its decision to deny the protest, allowing the program to continue.[8]
The Antares and Falcon 9 launch vehicles and Cygnus and Dragon cargo spacecraft were developed using Space Act Agreements under NASA's Commercial Orbital Transportation Services (COTS) program.[9]
The first flight contracted by NASA, COTS Demo Flight 1, took place on 8 December 2010, demonstrating a Dragon capsule's ability to remain in orbit, receive and respond to ground commands, and communicate with NASA's Tracking and Data Relay Satellite System. On 15 August 2011, SpaceX announced that NASA had combined the objectives of the COTS Demo Flight 2 and following Flight 3 into a single mission.[10][11] The rescoped COTS Demo Flight 2 successfully launched on 22 May 2012, delivering cargo to the ISS. The spacecraft reentered on 31 May, landed in the Pacific Ocean, and was recovered, completed CRS certification requirements.[12][13]
Orbital Sciences first launched the Antares rocket from the Mid-Atlantic Regional Spaceport on 21 April 2013 with a test payload.[14] Orbital Sciences completed the Cygnus Orb-D1 demonstration flight on 29 September 2013, and the operational Cygnus CRS Orb-1 was launched 9 January 2014.[15][16][17][18]
Commercial Resupply Services phase 1
[edit]Transport flights began under Commercial Resupply Services phase 1 (CRS-1) in 2012:
Cargo Dragon flights
[edit]![](http://upload.wikimedia.org/wikipedia/commons/thumb/b/b0/CRS-8_Dragon_from_ISS_%28ISS047E050978%29.jpg/220px-CRS-8_Dragon_from_ISS_%28ISS047E050978%29.jpg)
- SpaceX CRS-1: 8 October 2012[2][19]
- SpaceX CRS-2: 1 March 2013[20]
- SpaceX CRS-3: 18 April 2014[20]
- SpaceX CRS-4: 21 September 2014.[20] The capsule was subsequently reused on CRS-11.[21]
- SpaceX CRS-5: 10 January 2015[22]
- SpaceX CRS-6: 14 April 2015 at 20:10:41 UTC
- SpaceX CRS-7: attempted on 28 June 2015. Launch failure 139 seconds after lift-off, IDA-1 destroyed.
Investigation traced the accident to the failure of a strut inside the second stage's liquid-oxygen tank. NASA concluded that the most probable cause of the strut failure was a design error: instead of using a stainless-steel eye bolt made of aerospace-grade material, SpaceX chose an industrial-grade material without adequate screening and testing and overlooked the recommended safety margin.[23]
- SpaceX CRS-8: 8 April 2016
- SpaceX CRS-9: 18 July 2016
- SpaceX CRS-10: 19 February 2017
- SpaceX CRS-11: 3 June 2017 re-flew the CRS-4 capsule and was the 100th launch from LC-39A. The 2,708 kilograms[21] of cargo included NICER.[24]
- SpaceX CRS-12: 14 August 2017. First 'Block 4' Falcon 9, 2,349 kg (5,179 lb) pressurized mass, 961 kg (2,119 lb) unpressurized (CREAM cosmic-ray detector). Last flight of a newly built Dragon capsule.[25]
- SpaceX CRS-13: 15 December 2017[26]
- SpaceX CRS-14: 2 April 2018
- SpaceX CRS-15: 29 June 2018[27]
- SpaceX CRS-16: 5 December 2018[28][29][30]
- SpaceX CRS-17: 4 May 2019
- SpaceX CRS-18: 25 July 2019
- SpaceX CRS-19: 5 December 2019
- SpaceX CRS-20: 7 March 2020
Cygnus flights
[edit]![](http://upload.wikimedia.org/wikipedia/commons/thumb/3/3e/Orb_CRS-1_unberthing_-_crop.jpg/220px-Orb_CRS-1_unberthing_-_crop.jpg)
![](http://upload.wikimedia.org/wikipedia/commons/thumb/c/c3/ISS-47_Cygnus_OA-6_approaching_the_ISS_%281%29.jpg/220px-ISS-47_Cygnus_OA-6_approaching_the_ISS_%281%29.jpg)
- Cygnus CRS Orb-1[note 2]: 9 January 2014
- Cygnus CRS Orb-2: 13 July 2014
- Cygnus CRS Orb-3: 28 October 2014 - launch failure, food and care packages for the crew, parts, experiments, and the Arkyd-3 Flight Test (Non-optical) Satellite from Planetary Resources lost.
Following the failure, the Antares 230 system was upgraded with newly built RD-181 first-stage engines to provide greater payload performance and increased reliability.[31] The next two spacecraft were launched on the Atlas V, with the switch to more powerful launch vehicles and the introduction of Enhanced Cygnus enabling Orbital ATK to cover their initial CRS contracted payload obligation by OA-7.[32][33]
- Cygnus CRS OA-4[note 3]: 6 December 2015 - Atlas V, first Enhanced Cygnus[32]
- Cygnus CRS OA-6: 23 March 2016 - Atlas V
- Cygnus CRS OA-5: 17 October 2016 - Antares 230
- Cygnus CRS OA-7: 18 April 2017 - Atlas V
During August 2015, Orbital ATK disclosed that they had received an extension of the resupply program for four extra missions. These flights enable NASA to cover ISS resupply needs until CRS-2 begins.[32]
- Cygnus CRS OA-8E: 12 November 2017.
- Cygnus CRS OA-9E: 21 May 2018.[34][35]
- Cygnus NG-10[note 4]: 17 November 2018.[36]
- Cygnus NG-11: 17 April 2019.[37] [38]
CRS Phase 2 solicitation and requirements
[edit]NASA began a formal process to initiate Phase 2 of the Commercial Resupply Services, or CRS-2, in early 2014.[39] Later that year, an "Industry Day" was held in Houston, with seven high-level requirements disclosed to interested parties.[40]
Requirements
[edit]The contracts were expected to include a variety of requirements:[40]
- delivery of approximately 14,000 to 17,000 kg (31,000 to 37,000 lb) per year 55 to 70 m3 (1,900 to 2,500 cu ft) of pressurized cargo in four or five transport trips
- delivery of 24–30 powered lockers per year, requiring continuous power of up to 120 watts at 28 volts, cooling, and two-way communications
- delivery of approximately 1,500 to 4,000 kg (3,300 to 8,800 lb) per year of unpressurized cargo, consisting of 3 to 8 items, each item requiring continuous power of up to 250 watts at 28 volts, cooling, and two-way communications
- return/disposal of approximately 14,000 to 17,000 kg (31,000 to 37,000 lb) per year 55 to 70 m3 (1,900 to 2,500 cu ft) of pressurized cargo
- disposal of 1,500 to 4,000 kg (3,300 to 8,800 lb) per year of unpressurized cargo, consisting of 3 to 8 items
- various ground support services
Proposals
[edit]CRS-1 contractors Orbital Sciences[note 1] and SpaceX each submitted CRS-2 proposals, joined by Sierra Nevada, Boeing, and Lockheed Martin.[41]
SNC's proposal would use a cargo version of its Dream Chaser crew vehicle, the 'Dream Chaser Cargo System'. The proposed cargo Dream Chaser included an additional expendable cargo module for uplift and trash disposal. Downmass would only be provided via the Dream Chaser spaceplane itself.[41] Boeing's proposal likewise used a cargo version of its CST-100 crew vehicle.[42][43]
Lockheed Martin proposed a new cargo spacecraft called Jupiter, derived from the designs of the NASA's MAVEN and Juno spacecraft. It would have included a robotic arm based on Canadarm technology and a 4.4-meter (14 ft) diameter cargo transport module called Exoliner based on the Automated Transfer Vehicle, to be jointly developed with Thales Alenia Space.[43][44][45]
Awards
[edit]Three companies were awarded contracts on January 14, 2016.[46][40] Sierra Nevada Corporation's Dream Chaser, the SpaceX Dragon 2, and Orbital ATK[note 1] Cygnus were selected, each for a minimum of six launches.[46][47] The maximum potential value of all the contracts was indicated to be $14 billion, but the minimum value is considerably less. CRS-2 launches commenced in 2019 and will extend to at least 2024.
Three more CRS-2 missions for Dragon 2 covering up to CRS-29 were announced in December 2020.[48][49]
Commercial Resupply Services phase 2 - Awards and flights flown
[edit]![](http://upload.wikimedia.org/wikipedia/commons/thumb/a/a8/Dream_Chaser_pre-drop_tests.7.jpg/220px-Dream_Chaser_pre-drop_tests.7.jpg)
When NASA issued the Commercial Resupply Services phase 2 (CRS-2) request for proposal (RFP) in September 2014, it received interest from five companies: Lockheed Martin, Boeing, Orbital ATK, Sierra Nevada, and SpaceX. NASA made a competitive range determination to remove Boeing and Lockheed Martin.
Orbital ATK (later purchased by Northrop Grumman), Sierra Nevada, and SpaceX were awarded CRS-2 contracts in January 2016 with initial task orders awarded in June 2016. Each of the three companies is guaranteed at least six cargo missions under the CRS-2 contract. As of December 2017, NASA had awarded $2.6 billion on three contracts with a combined, not-to-exceed value of $14 billion. NASA officials explained that selecting three companies rather than two for CRS-2 increases cargo capabilities and ensures more redundancy in the event of a contractor failure or schedule delay. The CRS-2 flights commenced in November 2019 with the launch of Cygnus NG-12 mission.[50]
Inside-cargo is typically transported to and from the space station in "the form factor of single Cargo Transfer Bag Equivalent (CTBE) [which is the] unit for size of bag used to transport cargo from visiting vehicles,[51] such as SpaceX Dragon, Northrop Grumman Cygnus, or JAXA H-II Transfer Vehicle (HTV). The bags are sized at 48 cm × 41 cm × 23 cm (19 in × 16.25 in × 9 in) and limited in transport mass to 27 kg (60 lb) each.[51] CTBE units are also used to price, and charge, commercial users of US Orbital Segment stowage space.[52]
Cygnus flights
[edit]![](http://upload.wikimedia.org/wikipedia/commons/thumb/f/f2/Cargo_Placed_in_the_Northrop_Grumman_Cygnus_Spacecraft_%2850937247607%29.jpg/220px-Cargo_Placed_in_the_Northrop_Grumman_Cygnus_Spacecraft_%2850937247607%29.jpg)
- Cygnus NG-12: 2 November 2019
- Cygnus NG-13: 15 February 2020
- Cygnus NG-14: 3 October 2020
- Cygnus NG-15: 20 February 2021
- Cygnus NG-16: 10 August 2021
- Cygnus NG-17: 19 February 2022
- Cygnus NG-18: 7 November 2022
- Cygnus NG-19: 2 August 2023
As a result Russia's invasion of Ukraine, Northrop Grumman was left with only two remaining Antares 230+ launch vehicles which were used for the NG-18 and NG-19 missions. Northrop Grumman acquired three flights from SpaceX with the Falcon 9 rocket while a replacement first stage and its engine are developed for its Antares 330 rocket.[53]
- Cygnus NG-20: 30 January 2024
- Cygnus NG-21: 4 August 2024
- Cygnus NG-22: Early 2025 (planned)[54]
Northrop Grumman plans to launch further missions using the new Antares 300 series (Antares 330) rockets with booster stage and engines developed by Firefly Aerospace.[53][55]
- Cygnus NG-23: Late 2025 (planned)
- Cygnus NG-24: Early 2026 (planned)[54]
- Cygnus NG-25: Late 2026 (planned)[54]
Cargo Dragon flights
[edit]- SpaceX CRS-21: 6 December 2020
- SpaceX CRS-22: 3 June 2021
- SpaceX CRS-23: 29 August 2021
- SpaceX CRS-24: 21 December 2021
- SpaceX CRS-25: 15 July 2022
- SpaceX CRS-26: 26 November 2022
- SpaceX CRS-27: 14 March 2023
- SpaceX CRS-28: 5 June 2023
- SpaceX CRS-29: 10 November 2023
- SpaceX CRS-30: 21 March 2024
- SpaceX CRS-31: September 2024 (planned)[54]
- SpaceX CRS-32: December 2024 (planned)[54]
- SpaceX CRS-33: March 2025 (planned)[54]
- SpaceX CRS-34: Late 2025 (planned)[54]
- SpaceX CRS-35: Early 2026 (planned)[54]
Cargo Dream Chaser flights
[edit]- SSC Demo-1: 2025 (planned)
- SSC CRS-1 to CRS-6: TBA
See also
[edit]- Cargo spacecraft
- Commercial Crew Development (CCDev) – development of crew vehicles
- Commercial Orbital Transportation Services
- Comparison of space station cargo vehicles
- Dream Chaser
- Cygnus (spacecraft)
- Crew Dragon
- Multi-Purpose Logistics Module (STS cargo container)
- Commercial Lunar Payload Services
Notes
[edit]- ^ a b c d e Orbital Sciences was awarded a CRS contract in 2008. In 2015, Orbital Sciences became Orbital ATK through a business merger. Orbital ATK was awarded a CRS-2 contract in 2016. In 2018, Orbital ATK was acquired by Northrop Grumman.
- ^ Cygnus was owned and operated by Orbital Sciences for missions CRS Orb-1 to CRS Orb-3.
- ^ Cygnus was owned and operated by Orbital ATK for missions CRS OA-4 to CRS OA-9E.
- ^ Cygnus has been owned and operated by Northrop Grumman since mission NG-10.
References
[edit]- ^ Jason Rhian (September 27, 2014). "NASA continues Commercial "push" with CRS extension". Spaceflight Insider.
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- ^ "NASA Awards Space Station Commercial Resupply Services Contracts" Archived 2016-07-15 at the Wayback Machine. NASA, December 23, 2008.
- ^ Chris Bergin (January 15, 2009). "Planetspace officially protest NASA's CRS selection".
- ^ "B-401016; B-401016.2, PlanetSpace, Inc., April 22, 2009". GAO. April 22, 2009. Archived from the original on March 3, 2016. Retrieved October 7, 2012.
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Previously scheduled for a December 2016 launch on SpaceX-12, NICER will now fly to the International Space Station with two other payloads on SpaceX Commercial Resupply Services (CRS)-11, in the Dragon vehicle's unpressurized Trunk.
- ^ TDRS-M given priority over CRS-12 Dragon as launch dates realign Nasa Spaceflight.com July 26, 2017
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Those Falcon 9 missions will launch in late 2023 and 2024.
- ^ a b c d e f g h "NASA Orders Additional Cargo Flights to Space Station". NASA. 25 March 2022. Retrieved 25 March 2022.
- ^ "Northrop Grumman Teams with Firefly Aerospace to Develop Antares Rocket Upgrade and New Medium Launch Vehicle". Northrop Grumman Newsroom. 8 August 2022. Retrieved 21 August 2022.