Saljut 5 , this Orbitalstation was launched on 22 of june 1976 and had only military purpose.
Sojus 22 was a solomission with no planned visit to the station and the docking procedure from Sojus 23 totally failed.
Only the two missions Sojus 21 and Sojus 24 have docked successful on the Ornital station Saljut 5.
On 26 of february 1977 the Orbitalstation Saljut 5 entered the Earth atmosphere and has been destroyed by burning in the atmosphere.
Sojus 21 launch 06.07.1976 Vitaly Zholobov (USSR)
docking to Saljut 5 07.07.1976 Boris Volynov (USSR)
undocking 24.08.1976
landing 24.08.1976
Back to Earth crew:
same
790 Orbits
Sojus 22 launch 15.09.1976 Vlademir Aksenov (USSR)
docking to Saljut 5 no docking Valery Bykovski (USSR)
undocking
landing 23.09.1976
Back to Earth crew:
same
127 Orbits
No docking to Saljut 5 planned, Sojus 22 mission was only a normal solomission and flight to the
space
Sojus 23 launch 14.10.1976 Wjatscheslaw Sudow (USSR)
docking to Saljut 5 no docking Valeri Roschdestwenski (USSR)
undocking
landing 16.10.1976
Back to Earth crew:
same
32 Orbits
Sojus 24 launch 07.02.1977 Viktor Garbatko (USSR)
docking to Saljut 5 08.02.1977 Juri Glasko (USSR)
undocking 25.02.1977
landing 25.02.1977
Back to Earth crew:
same
285 Orbits