Planned shuttle mission. Cancelled due to payload delays.

Military cartographic satellite; returned film capsule. References: 1 , 2 , 6 .

Released by STS 51D 4/13/85; 107.5 deg W. Telecommunications. Operating entity TELESAT Canada. Longitude 107.5 W. Transmit power 11.2 W on each frequency. Frequencies 11730, 11743, 11791, 11804, 11852, 11865, 11913, 11926, 11974, 11987, 12035, 12048, 12096, 12109, 12157, 121 70 MHz. References: 1 , 2 , 5 , 6 .

It was clear that the planned processing flow could not be followed and still make the spring 1986 launch date. The decision was taken on Cosmonautics Day to ship the flight model to Baikonur and conduct the systems testing and integration there.

Manned seven crew. Payloads: Telesat (Canada communications satellite)-I with Payload Assist Module (PAM)-D deployment, Syncom IV-3 communications satellite deploy-ment with its unique stage (unique stage failed to ignite), Continuous Flow Electrophoresis (CFES), Phase Partitioning Experiment (PPE), student experiments, two getaway specials (GAS) Informal science studies (Toys in Space). Additional Details: STS-51-D. References: 1 , 2 , 5 , 6 , 7 , 33 .

Released by STS 51D 4/13/85; failed to orbit and subsequently repaired by STS 51-I on 8/31/85; 178 deg E; leased by U.S. government. Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C). References: 1 , 2 , 5 , 6 .

Suborbital. References: 5 .

Materials processing tests. References: 1 , 2 , 6 , 69 .

RMS 'Ryswatters' installed. References: 66 .

Suborbital test of 1/8 scale model of Buran. Typical trajectory: ascent to 120 km; pitch down to drive model in atmosphere at 45 degree at Mach 18.5. None were reflown but at least 4 were recovered. References: 81 .

Ocean monitoring. References: 1 , 2 , 5 , 6 .

High resolution photo reconnaissance; returned film in two small SpK capsules during the mission and with the main capsule at completion of the mission. References: 1 , 2 , 6 , 179 .

Military cartographic satellite; returned film capsule. References: 1 , 2 , 6 .

Magnetosphere and solar wind investigations. Prognoz-10-Intercosmos. Investigation of the structure of interplanetary and circumterrestrial shock waves generated by the interaction of the solar wind and the earth's magnetosphere. Carries scientific apparatus developed by scientists and specialists o f the USSR and the Czechoslovak Socialist Republic in the 'Intercosmos' programme of international cooperation in the exploration and peaceful uses of outer space. References: 1 , 2 , 5 , 6 , 116 .

Air traffic control radar calibration. Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C). References: 1 , 2 , 5 , 6 .

Manned seven crew. Deployed Nusat; carried Spacelab 3. Payloads: Spacelab-3 experiments, habitable Spacelab and mission peculiar experiment support structure. The experiments represented a total of five different disciplines: materials processing in space, environmental observa-tions, life science, astrophysics, and technology experiments. Two getaway specials (GAS). The flight crew was split into gold and silver shifts working 12-hour days during the flight. Additional Details: STS-51-B. References: 1 , 2 , 5 , 6 , 7 , 33 .

1100 of 2500 cables required rework based on results of testing of the ground test model at Khrunichev.

Stationed at 103 deg W. Ku band communications satellite. References: 1 , 2 , 5 , 6 .

Stationed at 5 deg W; business communications. Communications satellite. Registration France 1984-2.B (Telecom 1A) 1985-2.B (Telecom 1B). 1988-1-C (Telecom 1C). References: 1 , 2 , 5 , 6 .

Military cartographic satellite; returned film capsule. References: 1 , 2 , 6 .

Glonass. Testing components and apparatus from the space navigation system being set up to determine the position of Soviet civil aircraft and vessels in the Soviet merchant marine and fishing fleet. Three satellites launched by a single rocket. References: 1 , 2 , 5 , 6 , 67 , 274 .

Glonass. Testing components and apparatus from the space navigation system being set up to determine the position of Soviet civil aircraft and vessels in the Soviet merchant marine and fishing fleet. Three satellites launched by a single rocket. References: 1 , 2 , 5 , 6 , 67 , 274 .

Glonass. Testing components and apparatus from the space navigation system being set up to determine the position of Soviet civil aircraft and vessels in the Soviet merchant marine and fishing fleet. Three satellites launched by a single rocket. References: 1 , 2 , 5 , 6 , 67 , 274 .

3rd generation, high resolution photo surveillance; film capsule; maneuverable; also performed earth resource tasks. Investigation of the natural resources of the earth in the interests of various branches of the national economy of the USSR and international cooperation. References: 1 , 2 , 6 .

High resolution photo reconnaissance. Spacecraft failed. Blown up in orbit on June 21. References: 1 , 2 , 6 , 179 .

Replaced Molniya 3-18. Operation of the long-range telephone and telegraph radio communications system in the USSR; transmission of USSR Central Television programmes to stations in the Orbita network and within the framework of international cooperation. References: 1 , 2 , 5 , 6 .

Military navigation satellite. Replaced Cosmos 1447. References: 1 , 2 , 5 , 6 .

Docked with Salyut 7. Delivered to the Salyut-7 orbital station a crew consisting of flight commander V A Dzhanibekov and flight engineer V P Savinykh to carry out emergency repairs to inert Salyut 7 station and to conduct scientific and technical research and experiments. Returned crew of Soyuz T-14 to Earth. Recovered September 26, 1985 9:52 GMT. References: 1 , 2 , 6 , 32 , 33 , 51 .

3rd generation, high resolution photo surveillance; film capsule; maneuverable (?). Investigation of the natural resources of the earth in the interests of various branches of the national economy of the USSR and international cooperation. References: 1 , 2 , 6 .

Replaced Cosmos 1481. Covered Oko constellation plane 6 - 114 degree longitude of ascending node. References: 1 , 2 , 5 , 6 , 100 .

Military cartographic satellite; returned film capsule. References: 1 , 2 , 6 .

Investigation of the upper atmosphere and outer space. References: 1 , 2 , 5 , 6 , 114 .

Released by STS 51G 6/18/85; 26 deg E. References: 1 , 2 , 5 , 6 .

Released by STS 51G 6/17/85; 113.5 deg W. Coverage of the national territory with television, radio and telephony signals and data transmission. Geostationary satellite. References: 1 , 2 , 5 , 6 .

Released by STS 51G 6/20/85, retrieved 6/22/85. References: 1 , 2 , 5 , 6 .

Deployed and retrieved Spartan 1; launched Morelos 1, Arabsat 1B, Telstar 3D.Payloads: Shuttle Pointed Autono-mous Research Tool for Astronomy (SPARTAN)-1; Automated Directional Solidification Furnace (ADSF); High Precision Tracking Experiment (HPTE); Orbiter Experiments (OEX); French Echocardiograph Experiment (FEE) and French Pocket Experiment (FPE). Additional Details: STS-51-G. References: 1 , 2 , 5 , 6 , 7 , 33 .

Released by STS 51G 6/19/85; stationed at 76 deg W. References: 1 , 2 , 5 , 6 .

Covered Oko constellation plane 1 - 275 degree longitude of ascending node. References: 1 , 2 , 5 , 6 , 100 .

Released 25 Romb radar calibration subsatellites. References: 1 , 2 , 5 , 6 .

3rd generation, high resolution photo surveillance; film capsule; maneuverable; also performed earth resource tasks. Investigation of the natural resources of the earth in the interests of various branches of the national economy of the USSR and international cooperation. References: 1 , 2 , 6 .

Delivery to the Salyut-7 orbital station of a mixed cargo with a total mass of 2,000 kg. Docked with Salyut 7 on 23 Jun 1985 02:54:00 GMT. Undocked on 15 Jul 1985 12:28:00 GMT. Destroyed in reentry on 15 Jul 1985 22:33:31 GMT. Total free-flight time 2.51 days. Total docked time 22.40 days. References: 1 , 2 , 5 , 6 , 275 .

Intended to be suborbital, but some debris reached orbit. Rocket debris decayed by 6/28/85. References: 1 , 2 , 5 , 6 .

Military cartographic satellite; returned film capsule; maneuverable. References: 1 , 2 , 6 .