Ken Mattingly and Hank Hartsfield were appare...
With five days, four crew members, three.. uh...
Challenger flies for the first time and the T...
Sally Ride becomes America's first female ast...
Challenger hauls the mail on STS-8, before us...
John Young flies for one last time, carrying ...
STS-41B (wait, what happened to STS-10?) runs...