Encyclopedia Astronautica
Cancelled manned spaceflight


Family of spaceflights.

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Associated Flights
  • Man-In-Space-Soonest On 25 June 1958 preliminary astronaut selection for the Man-In-Space Soonest project was made. The project was cancelled when NASA was formed in and took responsibility for all manned space flight on 1 August 1958. More...
  • Mercury-Jupiter 2 (MJ-2) Human astronaut was considered briefly for Mercury-Jupiter flights before use of the Jupiter booster on Mercury was cancelled in July 1959 on cost grounds. More...
  • Little Joe 5A In April 1959, plans were made for three or four Mercury-Little Joe flights with animal passengers. NASA secretly considered a manned mission but quickly dropped the idea when the dynamic pressures involved were reviewed. More...
  • Mercury Balloon Flight Tests In January 1959, balloon flights were planned for the Mercury spacecraft. These would occur from July 1959 to January 1961. Final flights would be manned tests of up to 24 hours duration, with recovery of the capsule at sea. Cancelled May 1959. More...
  • Mercury MR-3A Crew: Shepard. After booster problems on Mercury MR-2, von Braun insisted on a further unmanned booster test. This proved to be unnecessary. If NASA had overruled Von Braun, Shepard would have been the first man in space, beating Gagarin's flight by three weeks. Backup crew: Grissom. More...
  • Mercury MR-5 Crew: Glenn. Planned Mercury suborbital flight. After Soviet full-day orbital flight in August 1961, NASA's suborbital hops looked pathetic. Further suborbital Mercury flights were cancelled. Backup crew: Slayton. More...
  • Mercury MR-6 Crew: Slayton. Planned Mercury suborbital flight. Cancelled July 1961; delays in Redstone flights meant Atlas orbital flights were imminent. More...
  • Mercury MA-7 Delta 7 Crew: Slayton. Planned second US manned orbital flight. Cancelled 18 March 1962 when astronaut's minor heart condition became public. Backup crew: Schirra. More...
  • Mercury MA-9A Crew: Cooper. Planned Mercury six-orbit mission. Canceled and NASA moved directly to an 18-orbit mission due to astronaut shortage and change in concept (flights no longer used just to train astronauts). Backup crew: Shepard. More...
  • Vostok 6A Crew: Ponomaryova. Originally Vostok 5/6 were to be dual female flights. Two capsules would be launched a day apart; each would remain aloft for three days. Changed by leadership to single female flight in March 1963. Backup crew: Yerkina. More...
  • Mercury MA-10 Crew: Shepard. Planned second one-day Mercury flight. Cancelled as too risky after Mercury MA-9 achieved objective, but only after failure of many spacecraft systems. Backup crew: Cooper. More...
  • Mercury MA-11 Crew: Grissom. Planned third one-day Mercury flight. Cancelled as too risky after Mercury MA-9 achieved objective, but only after failure of many spacecraft systems. Backup crew: Schirra. More...
  • Mercury MA-12 Crew: Schirra. Planned fourth one-day Mercury flight. Cancelled mid-1962 in order to move on to Gemini. More...
  • Vostok 7 Crew: Volynov. Eight day manned flight planned for the last quarter of 1963, then June 1964. All further Vostok flights cancelled in favor of multi-crew Voskhod in February 1964. Backup crew: Khrunov. More...
  • Vostok 8 Crew: Khrunov. Planned ten day manned flight; second high altitude flight into the lower Van Allen radiation belt for radiological-biological studies. All further Vostok flights cancelled in favor of multi-crew Voskhod in February 1964. Backup crew: Belyayev. More...
  • Vostok 9 Crew: Belyayev. Proposed high altitude Vostok flight for extended scientific studies to be flown in 1963-1964; All further Vostok flights cancelled in favor of multi-crew Voskhod in February 1964. Backup crew: Leonov. More...
  • Vostok 10 Crew: Leonov. Planned ten-day flight, science plus engineering tests of ion flow sensors to be used for orientation of later Soyuz spacecraft. All follow-on Vostok missions cancelled in spring 1964. Backup crew: Komarov. More...
  • Vostok 11 Crew: Komarov. Proposed Vostok flight to conduct extra-vehicular activity tests. All follow-on Vostok missions cancelled in spring 1964 and EVA moved to Voskhod 2. Backup crew: Beregovoi. More...
  • Soyuz A-1 Crew: Nikolayev, Demin. Planned Soyuz circumlunar mission. Soyuz would dock with a refuelled rocket stage and be accelerated on a loop around the moon. Cancelled in mid-1964 due to delays in Soyuz and decision to race Americans to moon landing. Backup crew: Shonin, Kugno. More...
  • Soyuz A-2 Crew: Bykovsky, Artyukhin. The planned second manned Soyuz circumlunar mission in 1965 would have been commanded by Bykovsky. The cosmonauts trained docking with the 9K and 11K rocket stages for months before the mission concept was dumped in August 1964. Backup crew: Zaikin, Gulyayev. More...
  • Soyuz A-3 Crew: Popovich, Ponomaryova. Popovich was to have been accompanied by female cosmonaut Ponomaryova in what would have been the first mixed crew crew flight to the moon in 1965. The program was cancelled in August 1964. Backup crew: Gorbatko, Kolodin. More...
  • Vostok 12 Crew: Beregovoi. Proposed Vostok flight to conduct extra-vehicular activity tests. The Vostok would be modified by having the ejection seat removed and an airlock built into the spacecraft. All follow-on Vostok missions cancelled in Spring 1964. Backup crew: Komarov. More...
  • Soyuz A-4 Crew: Beregovoi, Solovyova. Planned fourth Soyuz circumlunar mission. Cancelled August 1964. Backup crew: Shatalov, Zholobov. More...
  • Apollo SA-11 From September 1962 NASA planned to fly four early manned Apollo spacecraft on Saturn I boosters. Cancelled in October 1963 in order to fly all-up manned Apollo CSM on more powerful Saturn IB. More...
  • Apollo SA-12 From September 1962 NASA planned to fly four early manned Apollo spacecraft on Saturn I boosters. Cancelled in October 1963 in order to fly all-up manned Apollo CSM on more powerful Saturn IB. More...
  • Vostok 13 Crew: Gorbatko. Proposed high altitude manned Vostok flight for extended scientific studies. All follow-on Vostok missions cancelled in spring 1964. More...
  • Voskhod 3 Crew: Shonin, Volynov. World-record 18-day space endurance mission, tasked primarily with testing ballistic missile detection equipment. Deferred just 15 days before launch in May 1966. Never formally cancelled, it just faded away in Brezhnev-era stagnation... Backup crew: Beregovoi, Shatalov. More...
  • Apollo SA-13 From September 1962 NASA planned to fly four early manned Apollo spacecraft on Saturn I boosters. Cancelled in October 1963 in order to fly all-up manned Apollo CSM on more powerful Saturn IB. More...
  • Gemini 9A Crew: Bassett, See. Planned mission, cancelled when prime crew killed in T-38 trainer crash. All subsequent crew assignments were reshuffled. This ended up determining who would be the first man on the moon. Backup crew: Cernan, Stafford. More...
  • Dynasoar 3 Crew: Wood. Dynasoar first manned single-orbit flight. Project cancelled December 1963. More...
  • Apollo SA-14 From September 1962 NASA planned to fly four early manned Apollo spacecraft on Saturn I boosters. Cancelled in October 1963 in order to fly all-up manned Apollo CSM on more powerful Saturn IB. More...
  • Voskhod 4 Crew: Beregovoi, Katys. Planned second long-duration 20 day Voskhod flight. Cancelled in spring 1966 after near-disaster with Voskhod 2 and death of Korolev. Backup crew: Demin, Shatalov. More...
  • Dynasoar 4 Planned second manned Dynasoar single-orbit flight. Project cancelled in December 1963 More...
  • Voskhod 5 Crew: Ponomaryova, Solovyova. Planned all-female ten day long-duration flight. Solovyova would have conducted the first female space walk. Cancelled in spring 1966, after death of Korolev, in order to concentrate on Soyuz and Lunar landing programs. Backup crew: Kuznetsova, Yerkina. More...
  • Voskhod 6 Crew: Khrunov, Voronov. Planned Voskhod flight that would include EVA with test of the UPMK 'jet belt'. Cancelled in spring 1966. Backup crew: Gorbatko, Kolodin.Support crew: Matinchenko, Zaikin. More...
  • Apollo 204 Crew: Chaffee, Grissom, White. The first manned flight of the Apollo CSM, the Apollo C category mission. Crew killed in a fire while testing their capsule on the pad on 27 January 1967, still weeks away from launch. Set back Apollo program by 18 months. Backup crew: McDivitt, Scott, Schweickart, Schirra, Eisele, Cunningham. More...
  • Dynasoar 5 Third manned Dynasoar single-orbit flight; would demonstrate maneuver in orbit and during re-entry, and systems evaluation. Project cancelled in December 1963. More...
  • Apollo 205 Crew: Cunningham, Eisele, Schirra. Planned second solo flight test of the Block I Apollo CSM on a Saturn IB. Cancelled after the Apollo 204 fire. Backup crew: Borman, Collins, Stafford. More...
  • Soyuz 2A Crew: Bykovsky, Khrunov, Yeliseyev. Soyuz 2 was to dock with Soyuz 1 and transfer crew. Instead Soyuz 1 solar panel didn't deploy; manual reentry; tangled parachute lines; death of cosmonaut. Soyuz 2 cancelled. Backup crew: Gorbatko, Kubasov, Nikolayev. More...
  • Dynasoar 6 Fourth manned Dynasoar single-orbit flight; would demonstrate maneuver in orbit and during re-entry, and systems evaluation. Project cancelled in December 1963. More...
  • Dynasoar 7 Fifth manned Dynasoar single-orbit flight. Would demonstrate reuse of a minimally-refurbished spacecraft flown on an earlier mission. Project cancelled in December 1963 More...
  • Apollo 207 Crew: McDivitt, Schweickart, Scott. Planned Apollo D mission. Two Saturn IB launches would put Apollo CSM and LM into orbit. CSM crew would dock with LM, test it in earth orbit. Cancelled after Apollo 204 fire. Backup crew: Cernan, Stafford, Young. More...
  • Dynasoar 8 Sixth manned Dynasoar single-orbit flight. Would demonstrate maneuver in orbit and during re-entry, and a precision recovery. Project cancelled in December 1963 More...
  • Dynasoar 9 Planned first multi-orbit flight and seventh manned flight of Dynasoar would have the objectives to demonstrate maneuver in orbit and during re-entry, and a precision recovery. Project cancelled in December 1963 More...
  • Apollo 503 Crew: Borman, Collins, Anders. Cancelled Apollo E mission - test of the Apollo lunar module in high earth orbit. Lunar module was not ready. Instead mission flown only with CSM into lunar orbit only as Apollo 8. Backup crew: Conrad, Williams Clifton, Gordon. More...
  • Dynasoar 10 Planned eighth manned flight, second multi-orbit flight, and final flight of the Dynasoar program would have the objectives to demonstrate maneuver in orbit and during re-entry, and a precision recovery. Project cancelled in December 1963 More...
  • Soyuz VI Flight 1 Crew: Kolesnikov, Popovich. The planned first flight of the Soyuz VI combat spacecraft was planned for early 1969, beating America's equivalent Manned Orbiting Lab. The project was cancelled in 1968 in favour of Mishin's OIS (in turn cancelled in 1970) and Chelomei's Almaz stations. Backup crew: Belousov, Gubarev. More...
  • Soyuz 7K-L1 mission 1 Crew: Leonov, Makarov. Planned first manned circumnavigation of the moon. It was decided after the American Apollo 8 lunar orbital flight in December 1968 to cancel any 'second place' Soviet manned circumlunar flights. Backup crew: Kuklin. More...
  • Soyuz s/n 14 Crew: Kubasov, Shonin. As of February 1969 Soyuz s/n 14 was set for a solo seven day mission in April-May 1969. The spacecraft and crew were reassigned to the three-spacecraft Soyuz 6/7/8 mission and flew as Soyuz 6. More...
  • Soyuz 7K-L1 mission 2 Crew: Bykovsky, Rukavishnikov. Planned second Soviet circumlunar flight. Cancelled after the success of the American Apollo 8. Backup crew: Klimuk. More...
  • Soyuz 7K-L1 mission 3 Crew: Popovich, Sevastyanov. Planned third and final Russian circumlunar flight. Cancelled after the success of the American Apollo 8 in December 1968. Backup crew: Voloshin. More...
  • Soyuz s/n 15+16 Crew: Filipchenko, Gorbatko, Volkov, Shatalov, Yeliseyev. As of February 1969 Soyuz s/n 15 and 16 were set for a mission with a total of 5 cosmonauts aboard in August-September 1969. They would have remained docked together for three days. More...
  • Soyuz n 18 Crew: Khrunov, Yeliseyev. Cancelled 16 day mission with Soyuz n 18 to conduct rendezvous and docking operations and demonstrate life support system for the LOK manned lunar orbiter. More...
  • Soyuz n 17 Crew: Grechko, Kuklin. Cancelled 16 day mission with Soyuz n 18 to conduct rendezvous and docking operations and demonstrate life support system for the LK manned lunar lander. More...
  • Soyuz n 19 Crew: Fartushny, Shatalov. The active spacecraft in the second planned test of the Kontakt lunar rendezvous/docking system. 15 to 16 day missions to demonstrate the new SZhO life support system for the LOK manned lunar orbiter. More...
  • Soyuz n 20 Crew: Patsayev, Shonin, Yazdovsky. Passive spacecraft in the second planned test of the Kontakt lunar rendezvous/docking system. One or two of the crew would have spacewalked to the Soyuz 11 Kontakt and returned in the other spacecraft. More...
  • Soyuz 12 / DOS 1 Crew: Kolodin, Leonov, Rukavishnikov. If the Soyuz 11 crew had not perished during return to the earth, the Leonov crew would have been sent for a second visit to the Salyut 1 space station. A 30-day mission duration was planned. Backup crew: Gubarev, Sevastyanov, Voronov. More...
  • DOS 2-1 Crew: Gubarev, Sevastyanov, Voronov. Backup crew: Klimuk, Artyukhin. More...
  • DOS 2-2 Crew: Klimuk, Artyukhin. Backup crew: Bykovsky, Alekseyev. More...
  • Soyuz sn 19 Crew: Lazarev, Makarov. Soyuz s/n 19 was to have been equipped with the passive Kontakt rendezvous/docking system of the LK lunar lander. It would have been the docking target for Soyuz s/n 18. A crew transfer using the Krechet spacesuit would presumably have taken place. Backup crew: Vorobyov, Yazdovsky. More...
  • Soyuz sn 18 Crew: Filipchenko, Grechko. Soyuz s/n 18 would have been the active spacecraft of the first dual-spacecraft test of the Kontakt docking system. A crew transfer using the Krechet spacesuit would presumably have taken place. Backup crew: Lazarev, Makarov. More...
  • MOL 3 Crew: Taylor, Crews. At the time of the cancellation of the MOL program in June 1969, the first manned mission was planned for early 1972. A crew of two would have spent thirty days in orbit operating sophisticated military reconnaisance equipment and other experiments. More...
  • Soyuz sn 20 Crew: Vorobyov, Yazdovsky. Soyuz s/n 20 would have been the active spacecraft of the second dual launch to test the Kontakt lunar orbit rendezvous system. A crew transfer using the Krechet spacesuit would presumably have taken place. Backup crew: Yakovlev, Porvatkin. More...
  • Soyuz sn 21 Crew: Yakovlev, Porvatkin. Soyuz s/n 21 equipped with the passive Kontakt rendezvous/docking system of the LK lunar lander. Would have served as a docking target for Soyuz s/n 20 . A crew transfer using the Krechet spacesuit would presumably have taken place. Backup crew: Kovalyonok, Isakov. More...
  • DOS 2-4 Crew: Gorbatko, Sevastyanov. Backup crew: Bykovsky, Alekseyev. More...
  • Soyuz sn 22 Crew: Kovalyonok, Isakov. Soyuz s/n 22 would have been the active spacecraft of the second dual launch to test the Kontakt lunar orbit rendezvous system. A crew transfer using the Krechet spacesuit would presumably have taken place. Backup crew: Shcheglov. More...
  • Soyuz sn 23 Crew: Shcheglov. Soyuz s/n 23 would have been equipped with the passive Kontakt rendezvous/docking system of the LK lunar lander. The spacecraft would have served as a docking target for Soyuz s/n 22. More...
  • Soviet Lunar Landing The Russians were never able to have enough success with the N1 booster to have a serious schedule for the first Soviet lunar landing. In January 1969, before the first N1 launch, it was not expected that a Soviet landing would take place until 1972. More...
  • Soyuz (Almaz) 13 Crew: Demin, Sarafanov. Planned second crew to the first Almaz space station. Cancelled after the loss of control of Almaz OPS 1 (Salyut 2) in orbit. Backup crew: Rozhdestvensky, Zudov. More...
  • Soyuz (Almaz) 12 Crew: Artyukhin, Popovich. Planned first crew to the first Almaz space station. Cancelled after the loss of control of Almaz OPS 1 (Salyut 2) in orbit. Backup crew: Volynov, Zholobov. More...
  • Soyuz 12 / DOS 2 Crew: Kubasov, Leonov. Planned first mission to the Salyut DOS 2 space station. Cancelled after DOS 2 was destroyed during launch. Backup crew: Lazarev, Makarov.Support crew: Grechko, Gubarev. More...
  • Soyuz 13 / DOS 2 Crew: Lazarev, Makarov. Planned second mission to the Salyut DOS 2 space station. Cancelled after DOS 2 was destroyed during launch. Backup crew: Grechko, Gubarev.Support crew: Klimuk, Sevastyanov. More...
  • MOL 4 Planned date of second manned MOL mission at time of the program cancellation. More...
  • Soyuz Kontakt A Crew: Filipchenko, Gorbatko. Final crews selected for a dual Soyuz mission in Earth orbit to test the Kontakt docking system to be used on the lunar landing LOK and LK spacecraft. The Kontakt-A Soyuz would have been the active spacecraft, simulating the LOK lunar orbiter. Backup crew: Vorobyov, Yazdovsky. More...
  • Soyuz Kontakt P Crew: Lazarev, Makarov. Final crews selected for a dual Soyuz mission in Earth orbit to test the Kontakt docking system to be used on the lunar landing LOK and LK spacecraft. The Kontakt-P Soyuz would have been the passive spacecraft, simulating the LK lunar lander. Backup crew: Fartushny, Klimuk. More...
  • Soyuz 12 / DOS 3 Crew: Kubasov, Leonov. Planned first mission to the Salyut DOS 3 space station (Cosmos 557). Cancelled after Cosmos 557 failed in orbit. Backup crew: Lazarev, Makarov.Support crew: Grechko, Gubarev. More...
  • Apollo 18 Crew: Gordon, Brand, Schmitt. Apollo 18 was originally planned in July 1969 to land in the moon's Schroter's Valley, a riverlike channel-way. The original February 1972 landing date was extended when NASA cancelled the Apollo 20 mission in January 1970.Support crew: Allen, Henize, Parker. More...
  • MOL 5 Planned date of third manned MOL mission at time of the program cancellation. More...
  • Soyuz 13 / DOS 3 Crew: Lazarev, Makarov. Planned second mission to the Salyut DOS 3 space station (Cosmos 557). Cancelled after Cosmos 557 failed in orbit. Backup crew: Grechko, Gubarev.Support crew: Klimuk, Sevastyanov. More...
  • Skylab Rescue Crew: Brand, Lind. Influenced by the stranded Skylab crew portrayed in the book and movie 'Marooned', NASA provided a crew rescue capability for the only time in its history. Prepared for launch during Skylab 3. Scrubbed, Skylab 3 made landing with faulty thrusters instead. More...
  • Apollo 19 Crew: Haise, Pogue, Carr. Apollo 19 was originally planned to land in the Hyginus Rille region, which would allow study of lunar linear rilles and craters.The original July 1972 landing date was extended when NASA cancelled the Apollo 20 mission in January 1970.Support crew: England, Hartsfield, Peterson. More...
  • Skylab 5 Crew: Brand, Lind, Lenoir. After completion of the three programmed Skylab flights, NASA considered using the remaining backup Saturn IB and Apollo CSM to fly a fourth manned mission to Skylab. It would have been a short 20 day mission - the CSM systems would not have powered down. More...
  • MOL 6 Crew: Truly, Crippen. Planned date of fourth manned MOL mission at time of the program cancellation. From the beginning of the project, the Navy had demanded that this be an all-Navy crew, which would limit the crew to Truly, with either Overmeyer or Crippen as co-pilot. More...
  • Apollo 20 Crew: Roosa, Lind, Lousma. Apollo 20 was originally planned in July 1969 to land in Crater Copernicus, a spectacular large crater impact area. Later Copernicus was assigned to Apollo 19, and the preferred landing site for Apollo 20 was the Marius Hills or Tycho. More...
  • Soyuz 16A Crew: Volynov, Zholobov. Planned but cancelled third mission to the Salyut 3 space station. Backup crew: Rozhdestvensky, Zudov. More...
  • Skylab B After the completion of Apollo, Skylab, and ASTP programs there was still significant Apollo surplus hardware. Plans to use it were cancelled; an opportunity to launch an International Space Station, at a tenth the cost and twenty years earlier, was lost. More...
  • MOL 7 Planned date of fifth manned MOL mission. This mission was already deleted from the FY 1970 budget request in April 1969, two months before the entire project was cancelled. More...
  • Soyuz 25A Crew: Berezovoi, Lisun. Mission to the Salyut 5 space station, cancelled when fuel reserves aboard the station were 70 kg below those required for the planned 14 day mission. Backup crew: Kozelsky, Preobrazhensky. More...
  • Soyuz 26A Crew: Dzhanibekov, Kolodin. Planned mission to Salyut 6 that would make first docking with rear docking port and be the first crew to swap spacecraft and return in the spacecraft that ferried the Soyuz 25 crew. But Soyuz 25 failed to dock with Salyut 6. Backup crew: Lazarev, Makarov. More...
  • Cosmos 997 Planned manned single-orbit flight aboard the TKS space capsule during a series of two-TKS-launched-by-one-Proton flight tests. Flown unmanned due to inability to demonstrate two consecutive failure-free launches. More...
  • TKS VA s/n 008 Planned manned single-orbit flight aboard the TKS space capsule during a series of two-TKS-launched-by-one-Proton flight tests. Flown unmanned due to inability to demonstrate two consecutive failure-free launches. More...
  • Cosmos 1100 Planned manned single-orbit flight aboard the TKS space capsule during a series of two-TKS-launched-by-one-Proton flight tests. Flown unmanned due to inability to demonstrate two consecutive failure-free launches. More...
  • STS-2A Crew: Haise, Lousma. Planned shuttle mission to reboost Skylab space station to higher orbit for use by shuttle. Before the first shuttle flew, Skylab burned up in the atmosphere and crashed into the Australian outback on July 11, 1979. More...
  • Soyuz T-3A Crew: Lazarev, Polyakov, Strekalov. Planned but cancelled manned flight. Crew dissolved when Lazarev failed physical in early 1981. Backup crew: Isaulov, Potapov, Rukavishnikov. More...
  • TKS-1 Crew: Berezovoi, Glazkov, Makrushin. Planned first test manned flight of the TKS large ferry craft. Would have docked with the Almaz OPS 4 military space station. Flight cancelled with the rest of the Almaz program in 1981. Flown later unmanned to Salyut 6 as Cosmos 1267. Backup crew: Kozelsky, Artyukhin, Romanov. More...
  • TKS-2 Crew: Kozelsky, Artyukhin, Romanov. Second TKS flight that would have docked with the cancelled Almaz OPS 4 military space station. The spacecraft was instead flown unmanned to Salyut 7 as Cosmos 1443. Backup crew: Sarafanov, Preobrazhensky, Yuyukov. More...
  • TKS-3 Crew: Sarafanov, Preobrazhensky, Yuyukov. Third TKS flight that would have docked with the cancelled Almaz OPS 4 military space station. The spacecraft was instead flown unmanned to Salyut 7 as Cosmos 1686. Backup crew: Vasyutin, Rozhdestvensky, Grechanik. More...
  • Salyut 7/TKS-2 Crew: Glazkov, Makrushin, Stepanov Eduard. Planned TKS manned mission to Salyut 7 station. Cancelled December 1981; TKS-2 flew unmanned to Salyut 7 as Cosmos 1443. Backup crew: Artyukhin, Yuyukov, Berezovoi. More...
  • Soyuz Almaz 4 Crew: Malyshev, Laveykin. Planned Soyuz flight to a dock with the Almaz OPS 4 space station. The mission was cancelled together with the Almaz program in 1981. More...
  • Salyut 7/TKS-3 Crew: Sarafanov, Romanov, Preobrazhensky. Planned second manned flight of TKS ferry to the Salyut 7 space station. The crews were assigned in September/October 1979. Cancelled December 1981. Flew unmanned to Salyut 7 as Cosmos 1686. Backup crew: Artyukhin, Yuyukov, Berezovoi. More...
  • STS-10 Crew: Mattingly, Shriver, Onizuka, Buchli, Payton. Planned Department of Defense shuttle mission. Cancelled due to payload delays. Backup crew: Wright. More...
  • STS-12 Crew: Hartsfield, Coats, Mullane, Hawley, Resnik. Planned TDRS/IUS deployment shuttle mission. Cancelled after IUS failures. More...
  • STS-41-E Crew: Mattingly, Shriver, Onizuka, Buchli, Detroye. Planned Department of Defense shuttle mission. Cancelled due to IUS failure. Backup crew: Sundberg.Support crew: Watterson. More...
  • STS-41-F Crew: Bobko, Williams Donald, Seddon, Griggs, Hoffman. Canceled after the STS-10 launch abort required reshuffling of the shuttle schedule. Planned shuttle mission for deployment of commercial communications satellites. The STS-41F payload was added to STS-41D.Officially "cancelled due to payload delays". More...
  • STS-41-H Crew: Hauck, Walker Dave, Allen, Fisher, Gardner, Casserino, Payton. Planned Department of Defense or TDRS deployment shuttle mission. Cancelled due to IUS failure. Backup crew: Joseph. More...
  • STS-51-E Crew: Bobko, Williams Donald, Seddon, Griggs, Hoffman, Baudry, Garn. Planned TDRS/IUS deployment shuttle mission. Cancelled due to IUS failure. More...
  • Soyuz T-13A Crew: Savinykh, Vasyutin, Volkov Aleksandr. Planned mission to operate military experiments aboard Salyut 7. Cancelled due to technical and personnel problems aboard station. Backup crew: Aleksandrov, Saley, Viktorenko. More...
  • STS-51-AA Crew: Creighton, Nagel, Fabian, Lucid, Jarvis, Walker. Planned shuttle mission. Cancelled due to payload delays. Backup crew: Konrad. More...
  • STS-51-DA Crew: Shaw, O Connor, Cleave, Spring. Planned TDRS/IUS deployment shuttle mission. Cancelled due to IUS failure. More...
  • STS-51-H Planned EOM-1/2 shuttle mission. Cancelled due to payload delays. More...
  • Soyuz T-15A Crew: Volynov, Manarov, Levchenko. Final 'civilian' expedition to Salyut 7 station with Buran pilot aboard for spaceflight familiarisation was cancelled when control of the station was lost. Backup crew: Solovyov, Berezovoi, Shchukin. More...
  • STS-61-E Crew: McBride, Richards, Leestma, Hoffman, Parker, Durrance, Parise. Planned Astro-1 shuttle mission. Cancelled after Challenger disaster. Backup crew: Nordsieck. More...
  • STS-61-F Crew: Hauck, Bridges, Lounge, Hilmers. Planned shuttle mission for deployment of Ulysses spacecraft. Cancelled after Challenger disaster. More...
  • STS-61-G Crew: Walker Dave, Grabe, Thagard, van Hoften. Planned shuttle mission for deployment of Galileo spacecraft. Cancelled after Challenger disaster. More...
  • Soyuz T-15B Crew: Aleksandrov, Saley, Viktorenko. Cancelled second crew to operate TKS-3 military experiments aboard Salyut 7. These had been left uncompleted with the early return of the EO-4-2 crew due to Vasyutin's illness. Backup crew: Moskalenko, Serebrov, Solovyov. More...
  • STS-61-H Crew: Coats, Blaha, Springer, Buchli, Fisher, Sudarmono Pratiwi, Wood Nigel. Planned shuttle mission for deployment of commercial communications satellites. Cancelled after Challenger disaster. Backup crew: Akbar, Farrimond. More...
  • STS-62-A Crew: Crippen, Gardner Guy, Mullane, Ross, Gardner, Aldridge, Watterson. Planned Department of Defense shuttle mission. Cancelled after Challenger disaster. Would have been first launch from the ill-fated SLC-6 launch site at Vandenberg, California. Backup crew: Odle. More...
  • STS-61-M Crew: Shriver, O Connor, Lee, Ride, Fisher William, Wood Robert. Planned TDRS/IUS deployment shuttle mission. Cancelled after Challenger disaster. Backup crew: Walker. More...
  • STS-61-J Crew: Young, Bolden, McCandless, Hawley, Sullivan. Planned shuttle mission for deployment of Hubble space telescope. Cancelled after Challenger disaster. More...
  • STS-61-N Crew: Shaw, McCulley, Leestma, Adamson, Brown Mark, Casserino. Planned Department of Defense shuttle mission. Cancelled after Challenger disaster. Backup crew: Joseph. More...
  • Soyuz T-15C Crew: Dobrokvashina, Ivanova, Savitskaya. Cancelled all-female flight to be launched on International Woman's Day. Breakdown of Salyut 7, exhaustion of stock of Soyuz T spacecraft, and official resistance led to cancellation of the mission. Backup crew: Viktorenko, Aleksandrov, Solovyov. More...
  • STS-61-I Crew: Williams Donald, Smith, Dunbar, Carter, Bagian, Bhat. Planned shuttle LDEF (Long Duration Exposure Facility) recovery mission. Cancelled after Challenger disaster. Backup crew: Nair. More...
  • STS-62-B Crew: Roberts. Planned Department of Defense shuttle mission. Cancelled after Challenger disaster. More...
  • STS-61-K Crew: Brand, Griggs, Stewart, Nicollier, Garriott, Lichtenberg, Lampton, Stevenson. Planned EOM-1 shuttle mission. Cancelled after Challenger disaster. No crew named, later combined with STS-61K Backup crew: Frimout, Chappell. More...
  • STS-61-L Crew: Konrad. Planned shuttle mission for deployment of commercial communications satellites. Would have launched the first American journalist in space from Launch Complex 39B. Cancelled after Challenger disaster. Backup crew: Cunningham Stephen. More...
  • STS-71-B Crew: Jones Charles. Planned shuttle mission. Cancelled after Challenger disaster. More...
  • STS-71-A Crew: Nordsieck. Planned Astro-2 shuttle mission. Cancelled after Challenger disaster. More...
  • STS-71-C Crew: Longhurst. Planned shuttle mission for deployment of commercial communications satellites. Cancelled after Challenger disaster. Backup crew: Holmes. More...
  • STS-71-D Crew: Wood Robert. Planned shuttle mission for deployment of commercial communications satellites. Cancelled after Challenger disaster. Backup crew: Walker. More...
  • STS-71-E Crew: Gaffney, Phillips. Planned SLS-1 shuttle mission. Cancelled after Challenger disaster. Backup crew: Hughes-Fulford. More...
  • STS-71-F Crew: MacLean. Planned shuttle mission. Cancelled after Challenger disaster. Backup crew: Tryggvason. More...
  • Soyuz-Almaz-T-1 Planned launch to tend Almaz-T-1 station. Cancelled after the station's booster exploded on the way to orbit on 29 November 1986. More...
  • STS-71-M Crew: Nordsieck. Planned Astro-3 shuttle mission. Cancelled after Challenger disaster. More...
  • STS-81-G Crew: Mohri, Mukai. Planned Spacelab-J shuttle mission. Cancelled after Challenger disaster. Backup crew: Doi. More...
  • STS-81-M Crew: Hughes-Fulford. Planned SLS-2 shuttle mission. Cancelled after Challenger disaster. More...
  • STS-51-K Planned Spacelab-D1 shuttle mission. Cancelled after Challenger disaster. No crew selected; renamed STS-61A More...
  • Soyuz TM-8A Crew: Afanasyev, Sevastyanov, Stankiavicius. Planned flight to ensure continuous occupation cancelled due to budget cutbacks and delay in launching Kvant 2 and Kristall modules. More...
  • Soyuz TM-13A Crew: Kaleri, Viehboeck, Volkov Aleksandr. Soyuz TM-13 and TM-14 crews were reshuffled extensively due to commercial considerations and necessity of flying a Kazakh cosmonaut. This was the original crew assignment. Kaleri and Avdeyev were replaced by Kazakh researchers in the final crew. Backup crew: Avdeyev, Lothaller, Viktorenko. More...
  • Soyuz TM-14A Crew: Aubakirov, Avdeyev, Viktorenko. Soyuz TM-13 and TM-14 crews were reshuffled extensively due to commercial seat bookings by Austria and Germany and the necessity of flying a Kazakh-born cosmonaut as part of the Baikonur rental agreement. Backup crew: Musabayev, Polishchuk, Solovyov. More...
  • Soyuz Buran Support Crew: Bachurin, Ivanchenkov. Planned Soyuz flight to Mir. Main purpose was to provide spaceflight experience to Bachurin and Borodai, who had been selected as back-up crew of the first manned Buran flight. Cancelled in cut-backs after fall of the Soviet Union. Backup crew: Borodai, Balandin. More...
  • Soyuz TM-14B Crew: Korzun, Aleksandrov, Aubakirov. Soyuz TM-13 and TM-14 crews were reshuffled extensively due to commercial seat bookings by Austria and Germany and the necessity of flying a Kazakh-born cosmonaut as part of the Baikonur rental agreement. Backup crew: Tsibliyev, Laveykin, Musabayev. More...
  • Buran 5 Crew: Volk, Tolboyev. Cancelled Buran Flight 5 (3K1) would have been the first flight of the third orbiter. It would be the first manned Buran flight; the third orbiter was the first outfitted with life support systems and ejection seats. Backup crew: Zabolotski, Sultanov. More...
  • Soyuz TMA-2A Crew: Padalka, Duque, Kotov. Soyuz TMA-2 was originally to switch lifeboats on the ISS. After the loss of Columbia, and grounding of the remaining shuttles, it was instead flown by a two-man skeleton crew to keep the station alive until shuttle flights could resume. More...
  • Soyuz TMA-3A Crew: Dezhurov, Kuipers, Skripochka. Soyuz TMA-3 was originally to switch lifeboats on the ISS. After the Columbia disaster, the remaining shuttles were grounded. Soyuz TMA-3 instead flew with a skeleton crew to provide minimal manning of space station while shuttle was grounded. More...
  • STS-119A Crew: Lindsey, Kelly Mark, Gernhardt, Noriega, Padalka, Fincke, Kononenko O D. Flight delayed after the Columbia disaster. STS-119 was to have flown ISS Assembly mission ISS-15A. It would have delivered the fourth and final set of U.S. solar arrays along with the S6 fourth starboard truss segment. More...
  • STS-120A Crew: Halsell, Poindexter, Lawrence, Sellers, Wilson, Foreman. Flight delayed, then completely reorganized with a different crew and different orbiter after the Columbia disaster. STS-120 would have delivered to the station the second of three station connecting modules, Node 2. More...
  • Soyuz TMA-4A Crew: Musabayev, Schlegel. Soyuz TMA-4 was originally to switch lifeboats on the ISS. After the Columbia disaster, the remaining shuttles were grounded. Soyuz TMA-4 instead flew with a skeleton crew to provide minimal manning of space station while shuttle was grounded. More...
  • STS-121A Crew: Chiao, Phillips, Sharipov. Cancelled after Columbia disaster; would have flown ISS Assembly mission ISS-9A.1, delivering the SPP with 4 Solar Arrays to the station. More...
  • STS-123A Cancelled after Columbia disaster; would have flown ISS resupply mission ISS-UF4. It would have delivered the contents of an Express Pallet, plus the SPDM and AMS to the station More...
  • STS-126A Flight cancelled after the Columbia disaster. Would have flown ISS resupply mission ISS-UF3; carried an MPLM module and Express Pallet for delivery of equipment and supplies More...
  • STS-128A Hubble Space Telescope Servicing Flight 5. Flight delayed, then cancelled after the Columbia disaster. No crew had been named at the time of the loss of Columbia. Resurrected later after Congressional pressure. More...
  • STS-130A Flight cancelled after the Columbia disaster. Would have flown ISS resupply mission ISS-UF5. Equipment and supplies would have been delivered to the station aboard an MPLM and Express Pallet. More...
  • STS-131A Flight cancelled after the Columbia disaster. Would have flown ISS assembly mission ISS-14A. 4 SPP Arrays and the MMOD would have been delivered to the station. More...
  • STS-132A Flight cancelled after the Columbia disaster. Would have flown ISS resupply mission ISS-UF6. Supplies and equipment would have been delivered via an MPLM and EXPRESS Pallet in the cargo ba More...
  • STS-133A Flight cancelled after the Columbia disaster. Would have flown ISS assembly mission ISS-20A. Node 3 would have been delivered to the station. More...
  • STS-138A Flight cancelled after the Columbia disaster. Would have flown ISS resupply mission ISS-UF7. The Centrifuge Accomodations Module (CAM) would have been delivered to the station. More...
  • STS-134A Flight cancelled after the Columbia disaster. Would have flown ISS assembly mission ISS-16A. The Habitation module would have been delivered to the station. More...
  • STS-135A Flight cancelled after the Columbia disaster. Would have flown ISS assembly mission ISS-17A. An MPLM would have delivered Destiny lab racks and a CBA to the station. More...
  • STS-136A Flight cancelled after the Columbia disaster. Would have flown ISS assembly mission ISS-18A. The first US Crew Return Vehicle (CRV) would have been delivered to the station. More...
  • STS-137A Flight cancelled after the Columbia disaster. Would have flown ISS assembly mission ISS-19A. An MPLM and other station hardware would be delivered. More...

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