First Motion Picture Unit

The 18th AAF Base Unit (Motion Picture Unit), originally known as the First Motion Picture Unit, Army Air Forces, was the primary film production unit of the U.S. Army Air Forces (AAF) during World War II, and was the first military unit made up entirely of professionals from the film industry. It produced more than 400 propaganda and training films, which were notable for being informative as well as entertaining.

Source: Wikipedia — First Motion Picture Unit (CC BY-SA 4.0)