Air Force Celebrates 78 Years of Air Superiority

“Aim High

Fly-Fight-Win”

The Department of the Air Force was established 78 years ago on Sept. 18, 1947, making it the third military department, alongside the Departments of the Army and Navy.

Its creation was the result of the National Security Act of 1947, which formed the National Military Establishment. Less than two years later, the establishment became the Department of Defense, and on Sept. 5, 2025, …