18th. Pilot mike smith, followed by christa mcauliffe. Payload specialist greg jarvis. 30 years ago on january 28, 198, the Space Shuttle challenger 73 seconds after liftoff taking the lives of seven crew members pictured up. Up next on American History tvs reel america, a 1986 nasa video report detailing the causes of the disaster. The conclusions are the findings of the president ial commission on the Space Shuttle accident released on june 6 of 1986. First, nasas video of the shuttle launch followed by president reagans remarks to the nation from the oval office about five hours after the accident. T minus 15 seconds. T minus ten, nine, eight, seven, six we have main engine start four, three, two, one, and liftoff. Liftoff of the 25th Space Shuttle mission. And it has cleared the tower. Rock and roll, challenger. Confirmed. Challenger now heading down range. Engines beginning throttling down. At 94 . Normal throttle for most of the flight, 104 . Will throttle down to 65 shortly. Eng