In this photograph the SATCOM KU-2 satellite attached to a Payload Assist Module-D (PAM-D) is being released from the cargo bay of the Space Shuttle Orbiter Atlantis during STS-61B, the 23rd Shuttle Mission. The PAM-D is an upper stage system used to deploy payloads to a required orbit unattainable by the spacecraft. SATCOM KU-2 is an RCA communication satellite and was launched on November 26, 1985.
