LeRoy E. Cain

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LeRoy E. Cain
Cain in 2006
Born	(1964-02-04) February 4, 1964 (age 60) Dubuque, Iowa, U.S.
Education	Bachelor of Science in Aerospace Engineering
Employer	NASA
Title	Chief of Staff to the Associate Administrator for Human Exploration and Operations Mission Directorate
Children	3 daughters

LeRoy Edward Cain (born February 4, 1964) is an American aerospace engineer who worked for NASA as a flight director, launch integration manager and deputy manager of the Space Shuttle Program. Cain may be best known to the public from footage and documentaries showing his work as the entry flight director for STS-107, the mission that ended in the catastrophic disintegration of Space Shuttle Columbia, February 1, 2003. Cain issued the famous "Lock the doors" command,^[1] initiating contingency procedures in mission control for the first time since the Space Shuttle Challenger disaster 17 years earlier.