The United States Air Force became a separate military service on 18 September 1947 with the implementation of the National Security Act of 1947. [1][2] The Act created the National Military …

This brief history surveys the beginning of the United States Army's air arm and the birth of the Air Service in World War I. It traces the evolution of the Army's air combat branch between World War I …

General Arnold pointed to the predicament of the Army Air Corps in the years before World War II. As a branch of the Army, the primary functions of the Air Corps were procurement of materiel and the …

On Sept. 18, 1947, the Department of the Air Force was created under the National Security Act of 1947. However, the signs of a future "Air Force" started some 40 years before. In 1907, the U.S. …

On September 18, 1947, a new chapter in American military history began with the official establishment of the United States Air Force (USAF).

Jun 11, 2025 · When was the Air Force founded? Officially, it was in 1947, but as mentioned, the establishment of a separate airpower branch was decades in the making as the Air Force started as …

The Department of War became the Department of the Army and the United States Army Air Forces (USAAF) was detached and received its own designation as the Department of the Air Force. Under …

Dec 19, 2025 · The United States Air Force (USAF) is one of the six branches of the United States armed forces. Its primary responsibility is for air warfare and air defense. The USAF was created as …

Defense Primer: The United States Air Force An executive order signed by then-President Harry S. Truman in 1947 established the U.S. Air Force as a separate service to be “organized, trained, and …

The United States Air Force (USAF) is the air service branch of the United States Armed Forces. [15] It is a part of the United States Department of Defense and is one of the six armed forces and one of …