Soyuz 18

Mission Statistics
Mission:	Soyuz 18
Call sign:	Kawkas (Caucasus)
Launch:	May 24, 1975 14:58 UTC Baikonur LC1
Landing:	July 26, 1975 14:18 UTC 51° North, 68° East
Duration:	62 days 23 hours 20 minutes
Orbits:	993

Soyuz 18, of the Soyuz spacecraft series, brought cosmonauts Pyotr Klimuk[?] and Vitaly Sevastyanov[?] to the Salyut 4 space station where they remained in orbit for 63 days.

The name Soyuz 18 was also given to an earlier, unsuccessful Soyuz flight that is now often referred to as Soyuz 18-1 or Soyuz 18a.