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This ninth flight of the Discovery orbiter had a mission dedicated to the Department of Defense.

STS-32's primary objective was the deployment of SYNCOM IV-F5 defense communications satellite and retrieval of NASA's Long Duration Exposure Facility…

STS-29 deployed the Tracking and Data Relay Satellite into Earth's orbit.

STS-28 was dedicated to the Department of Defense, and first flight of Columbia since Mission 61-C.

STS-27 was dedicated to the Department of Defense.