Reserve Citizen Airmen hone engineer skills Published Aug. 31, 2017 By Master Sgt. Theanne Herrmann 624th Regional Support Group BELLOWS AIR FORCE STATION, Hawaii -- Seven structural engineers with the Air Force Reserve’s 624th Civil Engineer Squadron, work on tile installation for the recreation center's 4,500-square-foot lanai at Bellows Air Force Station, Waimanalo, Hawaii, Aug. 25, 2017. The 624th CES, based out of Joint Base Pearl Harbor-Hickam, Hawaii, is comprised of one large Prime Base Engineer Emergency Force team, 30 small agile Prime BEEF teams, five command firefighter teams and four operational firefighter teams. (U.S. Air Force photo by Master Sgt. Theanne Herrmann)