RT @airandspace: Mir was in orbit for 15 years. Photo of Mir from Space Shuttle Atlantis (STS-79) taken in 1996: ow.ly/uRxCX
RT @airandspace: Mir was in orbit for 15 years. Photo of Mir from Space Shuttle Atlantis (STS-79) taken in 1996: ow.ly/uRxCX