U.S. Airmen, Marines and Sailors at Kadena Air Base, Japan, Oct. 22, 2021. The 18th Civil Engineer Group teamed up with the U.S. Marine Corps 9th Engineer Support Battalion and the U.S. Naval Mobile Construction Battalion 5 for joint service training and exercises in Airfield Damage Repair (ADR) capabilities during their monthly Prime Base Engineer Emergency Force (BEEF) Week. Prime BEEF Week gives U.S. Airmen, Marines and Sailors the advantage of learning joint service capabilities here in Okinawa, and shows members how working together can increase lethality and readiness. (U.S. Air Force photo by Staff Sgt. Savannah L. Waters)