A U.S Airman from the 18th Civil Engineer Squadron, left, U.S. Marine Sgt. Caral Pate, middle, squad leader, U.S. Marine Staff Sgt. Alicia Hernandez, right, 9th Engineer Support Battalion platoon sergeant, screed to ensure proper thickness of material for compaction 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. (U.S. Air Force photo by Staff Sgt. Savannah L. Waters)