Previous Spaceflight Launches

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Molniya-M | Molniya-3 12L

Russian Space Forces | Russia
Plesetsk Cosmodrome, Russian Federation
April 14, 1975, 5:52 p.m.
Status: Launch Successful
Mission:

Molniya communication satellites operating from a highly elliptical orbit

Elliptical Orbit
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Atlas F | P72-2

Convair | United States of America
Vandenberg SFB, CA, USA
April 13, 1975, 12:51 a.m.
Status: Launch Failure
Mission:

Low-altitude experimental satellite carrying four experiments

Low Earth Orbit
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Kosmos-3M | Parus 2

Russian Space Forces | Russia
Plesetsk Cosmodrome, Russian Federation
April 11, 1975, 7:57 a.m.
Status: Launch Successful
Mission:

Navigation satellite providing location information for the Tsiklon-B navigation system

Low Earth Orbit
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Delta 1410 | Geos 3

McDonnell Douglas | United States of America
Vandenberg SFB, CA, USA
April 9, 1975, 11:58 p.m.
Status: Launch Successful
Mission:

Geodetic research satellite

Low Earth Orbit
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Kosmos 11K63 | DS-P1-Yu 76

Strategic Rocket Forces | Russia
Plesetsk Cosmodrome, Russian Federation
April 8, 1975, 6:29 p.m.
Status: Launch Successful
Mission:

The DS-P1-Yu series of satellites was used to calibrate space surveillance and early warning radars.

Low Earth Orbit
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Tsiklon-2 | US-A 10

Yuzhnoye Design Bureau | Ukraine
Baikonur Cosmodrome, Republic of Kazakhstan
April 7, 1975, 11 a.m.
Status: Launch Successful
Mission:

Active radar satellite for ocean surveillance powered by a nuclear reactor.

Low Earth Orbit
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Soyuz | Soyuz 7K-T No.39 (Soyuz 18a / Soyuz 18-1)

Russian Federal Space Agency (ROSCOSMOS) | Russia
Baikonur Cosmodrome, Republic of Kazakhstan
April 5, 1975, 11:04 a.m.
Status: Launch Failure
Mission:

Soyuz 7K-T No.39, also known as Soyuz 18a or Soyuz 18-1, was intended to be the next crewed mission to the Salyut-4 space station. The mission launched on April 5, 1975, 11:04:54 UTC, but due to a failure of the Soyuz launch vehicle during ascent it was aborted. Safety system initiated separation of the spacecraft, and the crew of commander Vasili Lazarev and flight engineer Oleg Makarov experienced overloads of up to 21.3 g. The capsule landed safely at 11:26:21 UTC, followed by a successful rescue of the crew members.

Low Earth Orbit
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Tsiklon-2 | US-A 9

Yuzhnoye Design Bureau | Ukraine
Baikonur Cosmodrome, Republic of Kazakhstan
April 2, 1975, 11 a.m.
Status: Launch Successful
Mission:

Active radar satellite for ocean surveillance powered by a nuclear reactor.

Low Earth Orbit
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Vostok 8A92M | Meteor-1 21 (31L)

RKK Energiya | Russia
Plesetsk Cosmodrome, Russian Federation
April 1, 1975, 12:30 p.m.
Status: Launch Successful
Mission:

The Meteor-1 series was the first series of Soviet meteorological satellites.

Low Earth Orbit
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Kosmos-3M | DS-U2-IK 6

Russian Space Forces | Russia
Plesetsk Cosmodrome, Russian Federation
March 27, 1975, 2:30 p.m.
Status: Launch Successful
Mission:

Satellite designed to investigate the charged particle flows and ionosphere.

Low Earth Orbit
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