On August 20, 1942, Twelfth Air Force was activated at Bolling AAF, Maryland. On September 23, 1942. Brigadier General Jimmy Doolittle formally assumed 12th AF command with Colonel Hoyt S. Vandenberg as chief of staff. Barely four months after it was conceived, 12th AF made its first contributions to World War II. When D-Day for the invasion of North Africa (Operation Torch) arrived on November 8, 1942
Other Memories The summer of 1943, Tresville was appointed commander of the 302nd Fighter Squadron for a short time, then was transferred to the 100th Fighter Squadron. He was appointed the 100th' Fighter Squadron's commander in December 1943, the same month the squadron deployed to Europe, and was promoted to captain. The 100th Fighter Squadron arrived in Italy on Jan. 29, 1944; Tresville led the first combat mission on Feb. 5.