During World War II, Gilbert O’Brien became a U.S. Army Air Forces ACE, credited with shooting down 7 enemy aircraft in aerial combat. After the war he transferred to the new U.S. Air Force, and retired in 1968 as a Lieutenant Colonel.

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During World War II, Gilbert O’Brien became a U.S. Army Air Forces ACE, credited with shooting down 7 enemy aircraft in aerial combat. After the war he transferred to the new U.S. Air Force, and retired in 1968 as a Lieutenant Colonel.