Donald "Stu" Broce is a research pilot in the Flight Crew Branch of the Flight Operations Directorate at NASA's Armstrong Flight Research Center, Edwards, CA.
An employee of NASA contractor i3 Corporation, Broce flies missions in NASA's high-altitude ER-2 Earth resources aircraft, its C-20A, a modified Gulfstream III business jet that carriers a sophisticated synthetic aperture radar on environmental science missions. He also flies NASA Armstrong's T-34C mission support aircraft.
Broce began work with CSC in 2011, following his retirement from active duty as a pilot in the U.S. Air Force. i3 Corporation took over his contract in July, 2013.
While with the Air Force, Broce served as an instructor pilot for both the service's U-2 and T-38 aircraft from 2003 to 2011, rising to the rank of lieutenant colonel.
From 2000 through 2002, Broce flew as a first officer for United Airlines, based in Los Angeles.
Prior to his Air Force service, he also served on active and reserve duty with the U.S. Navy as a naval aviator, flying F-14, A-7 and C-9 aircraft. In between fleet tours, he served as a developmental test pilot at Naval Air Warfare Center, Point Mugu, California. He left the Naval Reserve in 2003 with the rank of commander.
Broce earned a Bachelor of Science degree in Marine Engineering Technology from the California Maritime Academy in Vallejo. His military awards include the Silver Star and four Air Medals.