Name the space craft that exploded 72 seconds after lift off killing all 7 crew members in 1986.
OV-099 Space Shuttle Challanger Challenger Space Shuttle STA-099 Shuttle Orbiter Challenger Space shuttle challenger Challenger space shuttle The challenger CHALLENGER Space shuttle Challenger Shuttle Challenger Space Shuttle Challenger OV-99 Challenger Spacecraft OV-199 Challenger (Space Shuttle)