To serve in the Vietnam War, he gave up the rank of lieutenant colonel in the Air Force Reserve and became a chief warrant officer in the Army.He was awarded the Medal of Honor, the United States' highest military decoration, for his bravery in conducting a medical evacuation under fire in the Vietnam War.He joined the Army Air Corps at age 19, ten months before Pearl Harbor, and by 1945 he was a captain flying B-29 Superfortress bombers in the war against Japan.He briefly left the service as the military shrank after the war, and he settled in Fort Walton Beach, Florida, to raise his family.He completed 15 hazardous extractions, was wounded in a barrage of enemy fire, and momentarily lost control of his helicopter, but when it was over, he had rescued 29 men.Novosel was diagnosed with a recurrent cancer in November 2005, and he underwent a series of treatments at Walter Reed Army Medical Center in Washington, D.C.