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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.

STS-26's primary payload, NASA Tracking and Data Relay Satellite-3 (TDRS-3) became the second TDRS deployed.

STS-102 was the first Expedition Crew rotation from Expedition 1 to Expedition 2. The primary cargo was the Leonardo, the…

STS-101 crew refurbished and replaced components in both the Zarya and Unity modules, with top priority being the Zarya module.

STS-100 installed the advanced robotic arm, called Canadarm2, outside of Destiny. The exchange of the cradle from station arm to…