Master Sgt. Alfred Cain, a heating, ventilation, air conditioning and refrigeration technician, holds a support spacer in place as Staff Sgt. Angel Hirschi, a utilities journeyman, secures it to a metal beam at Youngstown Air Reserve Station, Vienna, Ohio, Aug. 14, 2012. Both Airmen were from the 307th Civil Engineer Squadron and were part of a 29-person detail from Barksdale Air Force Base, La., that spent two weeks at Youngstown assisting the 910 Civil Engineer Squadron build a Prime Base Engineer Emergency Force (Prime BEEF) training area. (U.S. Air Force photo by Master Sgt. Jeff Walston)