CES Airmen participate in Prime BEEF Day at Andersen
U.S. Air Force Tech. Sgt. Cris Ocampo, 36th Civil Engineer Squadron construction management NCO in charge, dons a M50 gas mask during a training exercise Aug. 17, 2017, at Andersen Air Force Base, Guam. During this Prime BEEF (Base Engineer Emergency Force) Day, Airmen focused on performing recovery tasks in a chemical, biological, radiological and nuclear environment. (U.S. Air Force photo/Airman 1st Class Gerald R. Willis)