Complex sentence: Hubert E. Buchanan (born April 24,1941) is a former United States Air Force captain and fighter pilot in the Vietnam War who was shot down, captured, and spent 2,362 days as a prisoner of war in Hanoi and surrounding areas.
Split into simpler sentences: Hubert E. Buchanan (born April 24,1941) is a former United States Air Force captain. Buchanan was, as a fighter pilot in the Vietnam War, shot down, captured, and spent 2,362 days as a prisoner of war in Hanoi and surrounding areas.