NASA marks the 30th anniversary of the space shuttle Challenger explosion on its Day of Remembrance.
NASA will observe a Day of Remembrance on Thursday, January 28, to mark the 30th anniversary of the Space Shuttle Challenger disaster. Thirty years ago to .
January 28th 2016 marks the 30th anniversary of the loss of Space Shuttle Challenger. NASA Day of Remembrance commemorates the crews of Apollo 1, .
Six astronauts and teacher Christa McAuliffe were killed when the space shuttle Challenger exploded in 1986. SHOWS: CAPE CANAVERAL, FLORIDA, UNITED .