"I Sustain the Wings" was composed by Captain Glenn Miller, John Chalmers Chummy MacGregor, Private Sol Meyer, and M/Sgt. Norman Leyden. The song was copyrighted on February 11, 1943. This was the theme music for the radio program that was broadcast weekly on Saturday on NBC from September 18, 1943 to June 10, 1944 by the Army Air Force Band under the direction of Captain Glenn Miller. The radio show was initially on CBS from June to September, 1943. Glenn Miller was the host and conductor on the show, which also featured Ray McKinley, Jerry Gray, Johnny Desmond, and the Crew Chiefs, until June 10, 1944 when Harry Bluestone became the conductor. The Latin Sustineo Alas, "I Sustain the Wings", or "Keep 'Em Flying", was the motto of the U.S. Army Air Forces Technical Training Command. The I