Rick D. Husband, Commander
Rick Husband, 45, a colonel in the U.S. Air Force, was a test pilot and veteran of one spaceflight. Selected by NASA in December 1994, Husband logged more than 235 hours in space.
 

William C. McCool, Pilot
William C. McCool, 41, a commander in the U.S. Navy, was a former test pilot. Selected by NASA in April 1996, McCool was making his first spaceflight.
 

Michael P. Anderson, Payload Commander
Michael P. Anderson, 43, a lieutenant colonel in the U.S. Air Force, was a former instructor pilot and tactical officer. Anderson logged over 211 hours in space.
 

David M. Brown, Mission Specialist 1
David M. Brown, 46, a captain in the U.S. Navy, was a naval aviator and flight surgeon. Selected by NASA in April 1996, Brown was making his first spaceflight.
 

Kalpana Chawla, Mission Specialist 2
Kalpana Chawla, 41, was an aerospace engineer and an FAA Certified Flight Instructor. Selected by NASA in December 1994, Chawla logged more than 376 hours in space.
 

Laurel Blair Salton Clark, Mission Specialist 4
Laurel Clark, 41, was a commander (captain-select) in the U.S. Navy and a naval flight surgeon. Selected by NASA in April 1996, Clark was making her first spaceflight.
 

Ilan Ramon, Payload Specialist 1
Ilan Ramon, 48, a colonel in the Israeli Air Force, was a fighter pilot who was the only payload specialist on STS-107. Approved by NASA in 1998, he was making his first spaceflight.