WASHINGTON — It's been 39 years since the Challenger space shuttle explosion, one of NASA's most devastating tragedies. NASA's Challenger shuttle exploded 73 seconds after lifting off on Jan. 28, 1986 ...
William Ray Lucas, who led the NASA facility that shouldered much of the blame for the 1986 explosion of the space shuttle Challenger, has died. Lucas was 102. Lucas died Monday at his home in ...