200220-F-IM475-1627
U.S. Air Force Airman 1st Class Andrew Cauley, Detachment 5 Aerial Mail Terminal mail processing specialist lifts and carries U.S. Air Force Senior Airman David States Jr., 423rd Security Forces Squadron installation entry controller, during a practice Marine Corps Combat Fitness Test at the Joint Immersion Day at RAF Alconbury, England, Feb. 20, 2020. Joint Immersion Day was an opportunity for Air Force, Army, Marines and Navy, to come together to learn about each branch’s history, culture, structure and evaluations, in order to be aware of our similarities, differences, and needs in a joint environment. (U.S. Air Force photo by Airman 1st Class Jennifer Zima)