Cosmos 656

Launch Success

Liftoff Time (GMT)

07:25:00

Monday May 27, 1974

Mission Details

Launch Notes

Uncrewed test flight of the Soyuz vessel.

Cosmos 656

Wiki

Cosmos 656 was an uncrewed test of the Soyuz 7K-T, a variant of the Soyuz spacecraft. This Soyuz variant was intended for flights to the Almaz military space stations This is Soyuz's 23th flight. The Soyuz is a Soviet crewed spaceship, developed to made manned lunar missions. This version called 7K will fly 4 times on the giant launcher N1, and several tens of times on Proton to fly over the Moon, which will be successful during the mission Zond 4. Soyuz will become the first spacecraft to transport living beings to the Moon during the flight of Zond 5, with two turtles. Subsequently, it is adapted to low orbit and will fly on the Soyuz launcher to serve the Salyut and Mir stations and the ISS.

Low Earth Orbit

1 Payload

6,675 kilograms

Rocket

Retired
Soyuz

Active 1966 to 1976

OKB-1 logo

Manufacturer

OKB-1

Rocket

Height: 48.47m

Payload to Orbit

LEO: 6,640 kg

GTO: 0 kg

Liftoff Thrust

4,456 Kilonewtons

Fairing

Diameter: 3m

Height: 12.8m

Stages

3

Strap-ons

4

Launch Site

Site 1/5

Baikonur Cosmodrome, Kazakhstan

Fastest Turnaround

23 hr 32 min

Stats

Soyuz


25th

Mission

1st

Mission of 1974

OKB-1


839th

Mission

29th

Mission of 1974

1974


39th

Orbital launch attempt