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Soyuz U | Soyuz 25

Russian Federal Space Agency (ROSCOSMOS) | Russia
Baikonur Cosmodrome, Republic of Kazakhstan
Oct. 9, 1977, 2:40 a.m.
Status: Launch Successful
Mission:

Soyuz 25 was meant to be the first crewed flight to the new Salyut 6 space station. The mission began on October 9, 1977, 02:40:35 UTC, launching Commander Vladimir Kovalyonok and Flight Engineer Valery Rumin into orbit. However, they failed to dock with the station despite five attempts, and had to abort the mission. The mission concluded with a safe landing back on Earth on October 11, 1977, 03:25:20 UTC.

Low Earth Orbit
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Soyuz U | Zenit-4MKM 6

Russian Federal Space Agency (ROSCOSMOS) | Russia
Baikonur Cosmodrome, Republic of Kazakhstan
Sept. 30, 1977, 9:46 a.m.
Status: Launch Successful
Mission:

High-resolution film-return Zenit reconnaissance satellite

Low Earth Orbit
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Atlas SLV-3D Centaur | Intelsat-4A 5

Convair | United States of America
Cape Canaveral SFS, FL, USA
Sept. 30, 1977, 1:02 a.m.
Status: Launch Failure
Mission:

Geostationary communications satellite developed by Hughes Aircraft Company

Geostationary Orbit
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Proton | Salyut-6

Khrunichev State Research and Production Space Center | Russia
Baikonur Cosmodrome, Republic of Kazakhstan
Sept. 29, 1977, 6:50 a.m.
Status: Launch Successful
Mission:

Sixth operational Salyut space station

Low Earth Orbit
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Kosmos-3M | AUOS-Z-R-E-IK 1

Russian Space Forces | Russia
Plesetsk Cosmodrome, Russian Federation
Sept. 24, 1977, 4:30 p.m.
Status: Launch Successful
Mission:

Scientific satellite dedicated to energetic particles and micrometeorites

Low Earth Orbit
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Tsiklon-3 | EPN 03.0380 2

Yuzhnoye Design Bureau | Ukraine
Plesetsk Cosmodrome, Russian Federation
Sept. 24, 1977, 10:15 a.m.
Status: Launch Successful
Mission:

Dynamic simulator of the Tselina-D ELINT satellite

Low Earth Orbit
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Titan 24B | KH-8 49

Lockheed Martin | United States of America
Vandenberg SFB, CA, USA
Sept. 23, 1977, 6:34 p.m.
Status: Launch Successful
Mission:

KH-8 Block 4 high resolution reconnaissance satellite.

Low Earth Orbit
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Molniya-M | Prognoz-6

Russian Space Forces | Russia
Baikonur Cosmodrome, Republic of Kazakhstan
Sept. 22, 1977, 12:51 a.m.
Status: Launch Successful
Mission:

Prognoz is a series of research satellites to study solar activity and its influence on Earth's magnetosphere and ionosphere.

Elliptical Orbit
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Proton-K/DM | Ekran

Khrunichev State Research and Production Space Center | Russia
Baikonur Cosmodrome, Republic of Kazakhstan
Sept. 20, 1977, 5:28 p.m.
Status: Launch Successful
Mission:

Ekran was a Soviet series of geostationary satellites which were the first in the world to provide Direct-To-Home TV service.

Geostationary Orbit
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Vostok 8A92M | Tselina-D 13

RKK Energiya | Russia
Plesetsk Cosmodrome, Russian Federation
Sept. 20, 1977, 1 a.m.
Status: Launch Successful
Mission:

Tselina-D satellites provided detailed observation of radio sources detected by the smaller Tselina-O satellites as part of the Tselina ELINT system.

Low Earth Orbit
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