Michael J. Smith
…April 30, 1945 – January 28, 1986), (Capt USN) was an American engineer and astronaut. He served as the pilot of the Space Shuttle Challenger when it was destroyed during the STS-51-L mission, breaking up 73 seconds into the flight, and at an altitude of 48,000 feet (14.6 km), killing all seven crew members. Smith's…