He joined the United States Army Air Corps in November 1941, and served in the South Pacific during World War II.
He flew 189 missions in the Curtiss P-40 fighter and was awarded two Distinguished Flying Crosses and four Air Medals.
[1] Griffith left the NACA in 1950 to fly for private companies — Chance Vought, United Airlines, and for Westinghouse.
He later worked for the Federal Aviation Administration, assisting in the development of a never-completed supersonic transport plane.
He subsequently returned to United Airlines as a flight instructor, until retiring to Penn Valley, California.