STS-61-B was the twenty-third space shuttle mission and the second for the Space Shuttle Atlantis. The shuttle was launched for Kennedy Space Center and the shuttle deployed three communicates satellites. It also tested techniques for constructing structures in orbit. This mission marked the quickest turnaround of a shuttle, just 54 days elapsed beetween this launch and Atlantis' previous mission.

Mission type: Communications · Orbit: Low Earth Orbit

Rocket: Space Shuttle · Provider: Lockheed Space Operations Company