Roger Bruce Chaffee (February 15, 1935 – January 27, 1967) was an American naval officer, aviator and aeronautical engineer who was a NASA astronaut in the Apollo program.
Biography：Roger Bruce Chaffee (February 15, 1935 – January 27, 1967) was an American naval officer, aviator and aeronautical engineer who was a NASA astronaut in the Apollo program.
