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Soyuz | Soyuz 12

Russian Federal Space Agency (ROSCOSMOS) | Russia
Baikonur Cosmodrome, Republic of Kazakhstan
Sept. 27, 1973, 12:18 p.m.
Status: Launch Successful
Mission:

Soyuz 12 launched on 27 September 1973, 12:18:16 UTC. It carried commander Vasili Lazarev and flight engineer Oleg Makarov into orbit. This mission was the first test flight of the modified Soyuz spacecraft, following the tragedy of Soyuz-11. This mission also tested the use of pressurized "rescue space suits" Sokol, worn by crew during launch and re-entry. Crew returned to Earth, landing on 29 September 1973, 11:33:48 UTC.

Low Earth Orbit
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Soyuz U | Zenit-4MK 14

Russian Federal Space Agency (ROSCOSMOS) | Russia
Plesetsk Cosmodrome, Russian Federation
Sept. 21, 1973, 1:05 p.m.
Status: Launch Successful
Mission:

High resolution optical reconnaissance satellite of the Vostok-based Zenit family.

Low Earth Orbit
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Feng Bao 1 | JSSW 1a

China Aerospace Science and Technology Corporation | China
Jiuquan Satellite Launch Center, People's Republic of China
Sept. 18, 1973, 12:12 p.m.
Status: Launch Failure
Mission:

Experimental Chinese satellite

Low Earth Orbit
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Kosmos-3M | Zaliv 14

Russian Space Forces | Russia
Plesetsk Cosmodrome, Russian Federation
Sept. 14, 1973, 12:31 a.m.
Status: Launch Successful
Mission:

The first soviet navigation system called Tsiklon consisted of Zaliv satellites in low earth orbit.

Low Earth Orbit
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Kosmos-3M | Sfera 10

Russian Space Forces | Russia
Plesetsk Cosmodrome, Russian Federation
Sept. 8, 1973, 1:50 a.m.
Status: Launch Successful
Mission:

The Sfera or Geoid series were the first soviet geodetic satellites to improve the accuracy of maps. The development of the satellites started in 1965 at NPO-PM.

Low Earth Orbit
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Voskhod | Zenit-4M 55

Soviet Space Program | Russia
Plesetsk Cosmodrome, Russian Federation
Sept. 6, 1973, 10:40 a.m.
Status: Launch Successful
Mission:

The soviet Zenit-4M (Rotor, 11F691) was an improved version of the Zenit-4 high resolution reconnaissance satellite and was part of the Vostok-based Zenit-family.

Low Earth Orbit
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Voskhod | Zenit-2M 41

Soviet Space Program | Russia
Baikonur Cosmodrome, Republic of Kazakhstan
Aug. 30, 1973, 10:30 a.m.
Status: Launch Successful
Mission:

The soviet Zenit-2M (Gektor, 11F690) was an improved version of the Zenit-2 area surveillance reconnaissance satellite. It was part of the Vostok-based Zenit-family.

Low Earth Orbit
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Molniya-M | Molniya-1 24

Russian Space Forces | Russia
Plesetsk Cosmodrome, Russian Federation
Aug. 30, 1973, 12:07 a.m.
Status: Launch Successful
Mission:

The Molniya were Soviet communication satellites operating from an inclined highly elliptical earth orbit of 500 km × 40000 km with 12 hour period for coverage of high northern latitudes.

Elliptical Orbit
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Kosmos-3M | Tselina-O 20

Russian Space Forces | Russia
Plesetsk Cosmodrome, Russian Federation
Aug. 28, 1973, 10:08 a.m.
Status: Launch Successful
Mission:

The Tselina-O (11F616) was one component of two-satellite Tselina ELINT satellite system. Tselina-O provided general ELINT surveillance to be examined in detail by the larger Tselina-D satellites.

Low Earth Orbit
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Voskhod | Zenit-4M 54

Soviet Space Program | Russia
Baikonur Cosmodrome, Republic of Kazakhstan
Aug. 24, 1973, 10:59 a.m.
Status: Launch Successful
Mission:

The soviet Zenit-4M (Rotor, 11F691) was an improved version of the Zenit-4 high resolution reconnaissance satellite and was part of the Vostok-based Zenit-family.

Low Earth Orbit
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