| Last Year | Manned Spaceflight Chronology Index | Next Year |
| Flight | Launch | Landing | Name | Country | Parameters | |
|---|---|---|---|---|---|---|
| Soyuz 17 (7K-T #38) |
January 10, 1975 (21:43 GMT) |
February 9, 1975 (11:03 GMT) |
Commander: Aleksei Gubarev (1st Flight) (TsPK Detachment - Group 2) |
USSR | M | Perigee: 185 km Apogee: 249 km Inclination: 51.64° 466 orbits |
| Flight Engineer: Georgi Grechko (1st Flight) (TsKBEM Detachment - Group 1) |
USSR | M | ||||
| Site-1 (Launch Pad 5) Baikonur Cosmodrome |
110 km NE of Tselinograd (52° N, 70° E) |
1st Backup Crew: Vasili Lazarev | USSR | M | Time 29 days 13 hours 19 minutes |
|
| 1st Backup Crew: Oleg Makarov | USSR | M | ||||
| 2nd Backup Crew: Pyotr Klimuk | USSR | M | ||||
| Launch Vehicle Soyuz |
Docked with Salyut 4 January 12, 1975 (01:25 GMT) |
Undocked from Salyut 4 February 9, 1975 (06:08 GMT) |
2nd Backup Crew: Vitali Sevastiyanov | USSR | M | |
| 3rd Backup Crew: Vladimir Kovalyonok | USSR | M | ||||
| 3rd Backup Crew: Yuri Ponomaryov | USSR | M | ||||
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| Soyuz 18-1(A) (7K-T #39) |
April 5, 1975 (11:04) |
April 5, 1975 (11:26 GMT) |
Commander: Vasili Lazarev (2nd Flight) (TsPK Detachment - Group 3) |
USSR | M | Altitude: 192 km |
| Flight Engineer: Oleg Makarov (2nd Flight) (TsKBEM Detachment - Group 1) |
USSR | M | ||||
| Launch Vehicle Soyuz |
Site-1 (Launch Pad 5) Baikonur Cosmodrome |
The third stage failed to separate from the second stage, causing an emergency
landing in the Altai mountains. (50° 50' N, 83° 25' E) |
1st Backup Crew: Pyotr Klimuk | USSR | M | Time 21 minutes |
| 1st Backup Crew: Vitali Sevastiyanov | USSR | M | ||||
| 2nd Backup Crew: Vladimir Kovalyonok | USSR | M | ||||
| 2nd Backup Crew: Yuri Ponomaryov | USSR | M | ||||
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| Soyuz 18(B) (7K-T #40) |
May 24, 1975 (14:58 GMT) |
July 26, 1975 (14:18 GMT) |
Commander: Pyotr Klimuk (2nd Flight) (TsPK Detachment - Group 3) |
USSR | M | Perigee: 193 km Apogee: 247 km Inclination: 51.61° 993 orbits |
| Site-1 (Launch Pad 5) Baikonur Cosmodrome |
56 km NE of Arkalyk (51° N, 68° E) |
Flight Engineer: Vitali Sevastiyanov (2nd Flight) (TsKBEM Detachment - Group 1) |
USSR | M | ||
| Launch Vehicle Soyuz |
Docked with Salyut 4 May 25, 1975 (21:30 GMT) |
Undocked from Salyut 4 July 26, 1975 (10:56 GMT) |
Backup Crew: Vladimir Kovalyonok | USSR | M | Time 62 days 23 hours 20 minutes |
| Backup Crew: Yuri Ponomaryov | USSR | M | ||||
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| Soyuz 19 (ASTP) (7K-TM #75) |
July 15, 1975 (12:20 GMT) |
July 21, 1975 (10:51 GMT) |
Commander: Aleksei Leonov (2nd Flight) (TsPK Detachment - Group 1) |
USSR | M | Perigee: 186 km Apogee: 220 km Inclination: 51.78° 97 orbits |
| Flight Engineer: Valeri Kubasov (2nd Flight) (TsKBEM Detachment - Group 1) |
USSR | M | ||||
| Site-1 (Launch Pad 5) Baikonur Cosmodrome |
87 km NE of Arkalyk (57° 40' N, 67° 1' E) |
1st Backup Crew: Anatoli Filipchenko | USSR | M | Time 5 days 22 hours 31 minutes |
|
| 1st Backup Crew: Nikolai Rukavishnikov | USSR | M | ||||
| Docked with Apollo July 17, 1975 (16:09 GMT) |
Undocked from Apollo July 19, 1975 (12:03 GMT) |
2nd Backup Crew: Vladimir Dzhanibekov | USSR | M | ||
| 2nd Backup Crew: Boris Andreyev | USSR | M | ||||
| Launch Vehicle Soyuz-U |
Redocked with Apollo July 19, 1975 (12:33 GMT) |
Undocked from Apollo July 19, 1975 (15:26 GMT) |
3rd Backup Crew: Yuri Romanenko | USSR | M | |
| 3rd Backup Crew: Aleksandr Ivanchenkov | USSR | M | ||||
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| Apollo "18" (ASTP) (CSM #111) (DM #2) |
July 15, 1975 (19:50 GMT) |
July 24, 1975 (21:15 GMT) |
Commander: Thomas Stafford (4th Flight) (NASA Group 2) |
USA | M | Perigee: 170 km Apogee: 228 km Inclination: 51.75° 138 orbits |
| Command Module Pilot: Vance Brand (1st Flight) (NASA Group 5) |
USA | M | ||||
| Launch Pad 39B Kennedy Space Center, Florida |
Hawaii in the Pacific Ocean (21° 52' N, 162° 45' W) |
Docking Module Pilot: Donald "Deke" Slayton (1st Flight) (NASA Group 1) |
USA | M | ||
| Docked with Soyuz 19 July 17, 1975 (16:09 GMT) |
Undocked from Soyuz 19 July 19, 1975 (12:03 GMT) |
Backup Crew: Alan Bean | USA | M | Time 9 days 7 hours 28 minutes |
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| Backup Crew: Ronald Evans | USA | M | ||||
| Backup Crew: Jack Lousma | USA | M | ||||
| Launch Vehicle Saturn IB #AS-210 |
Redocked with Soyuz 19 July 19, 1975 (12:33 GMT) |
Undocked from Soyuz 19 July 19, 1975 (15:26 GMT) |
Support Crew: Robert Crippen | USA | M | |
| Support Crew: Robert Overmyer | USA | M | ||||
| Support Crew: Richard Truly | USA | M | ||||
| Support Crew: Karol Bobko | USA | M | ||||
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Updated - May 11, 2008