While in orbit 170 miles above Earth, Navy Captain Bruce McCandless becomes the first human being to fly untethered in space when he exits the U.S. space shuttle Challenger and maneuvers freely, using a bulky white rocket pack of his…
While in orbit 170 miles above Earth, Navy Captain Bruce McCandless becomes the first human being to fly untethered in space when he exits the U.S. space shuttle Challenger and maneuvers freely, using a bulky white rocket pack of his…
At 11:38 a.m. EST, on January 28, 1986, the space shuttle Challenger lifts off from Cape Canaveral, Florida, and Christa McAuliffe is on her way to becoming the first ordinary U.S. civilian to travel into space. McAuliffe, a 37-year-old high…