When did the army air corp become the air force?
On June 20, 1941, the Army Air Corps' existence as the primary air arm of the U.S. Army changed to that of solely being the training and logistics elements of the then-new United States Army Air Forces, which embraced the formerly-named General Headquarters Air Force under the new Air Force Combat Command organization for front-line combat operations; this new element, along with the Air Corps, comprised the USAAF.
When did the army air Corp become the United States Army Air Forces?
June 20, 1941
United States Army Air Corps
No context provided
When was the army air corp legally abolished by legislation establishing the Department of the Air Force?
September 18, 1947
United States Army Air Corps
https://en.wikipedia.org/wiki/United%20States%20Army%20Air%20Corps
During World War II, although not an administrative echelon, the Air Corps (AC) remained as one of the combat arms of the Army until 1947, when it was legally abolished by legislation establishing the Department of the Air Force.
United States Army Air Corps
The USAAC was renamed from the earlier United States Army Air Service on 2 July 1926, and was part of the larger United States Army.
United States Army Air Corps
The United States Army Air Corps served as the primary air arm of the U.S. Army from July 2, 1926 until June 20, 1941, when it was absorbed into the then-new United States Army Air Forces. USAAC remained one of the combat arms of the Army until September 18, 1947, when it was legally abolished by legislation establishing the Department of the Air Force.