US military’s mini space shuttle returns to Earth after orbiting for 434 days on a secret mission
The U.S. military's classified mini space shuttle has returned to Earth after circling the world for 434 days.
Who Was Bruce McCandless II? First Person to Spacewalk Untethered in Space
One moment occurred in 1984 when NASA astronaut Bruce McCandless II became the first human to spacewalk or float free from ...