Snow Wildsmith has written:

'Joining the United States Marine Corps' -- subject(s): United States, United States. Marine Corps, Vocational guidance

'Joining the United States Air Force' -- subject(s): United States. Air Force, United States, Vocational guidance

Judith A. Bellafaire has written:

'The Women's Army Corps' -- subject(s): History, United States, United States. Army. Women's Army Corps, Women, World War, 1939-1945

'The Army Nurse Corps' -- subject(s): History, Military nursing, United States, United States. Army Nurse Corps, United States. Nurse Corps

'The Army Nurse Corps in World War II'

Yes.

The Union Army Balloon Corps from 1861 to 1863.

The United States Army Signal Corps from 1898 to 1899.

The Aeronautical Division, U.S. Signal Corps from 1907 to 1914.

The Aviation Section from 1914 to 1918.

The United States Army Air Service from 1918 to 1926.

The United States Army Air Corp from 1926 to 1941.

The United States Army Air Forces from 1941 to 1947.

The United States Air Force from 1947 to present.

Originally it was the Army Air Corps. Or Army Air Force. It changed after WWII and on Sept, 18, 1947 it became it's own branch of the service known as the "United States Air Force."