Steven R. Nagel Steven Ray Nagel ( October 27 , 1946 -- August 21 , 2014 ) , ( Col , USAF ) , was an American astronaut , aeronautical and mechanical engineer , test pilot , and a United States Air Force pilot .
Steven R. Nagel Steven Ray Nagel ( October 27 , 1946 -- August 21 , 2014 ) , ( Col , USAF ) , was an American astronaut , aeronautical and mechanical engineer , test pilot and a United States Air Force pilot .