Mark N. Brown

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Mark Brown
Born	Mark Neil Brown (1951-11-18) November 18, 1951 (age 73) Valparaiso, Indiana, U.S.
Education	Purdue University (BS) Air University (MS)
Space career
NASA astronaut
Rank	Colonel, USAF
Time in space	10d 9h 27m
Selection	NASA Group 10 (1984)
Missions	STS-28 STS-48
Mission insignia
Retirement	July 1993

Mark Neil Brown (born November 18, 1951) is an American engineer, retired colonel in the United States Air Force and former NASA astronaut. Brown spent a total of ten days in space, over two Space Shuttle missions.