Airman 1st Class Joshua Hawn, left, and Senior Airman Zachary Downing, right, 36th Civil Engineer Squadron pavements and equipment operators, practice operating a radio Aug. 17, 2017, at Andersen Air Force Base, Guam. Airmen that participated in the Prime BEEF (Base Engineer Emergency Force) Day practiced accomplishing tasks while in Mission-Oriented Protective Posture (MOPP) gear. (U.S. Air Force photo/Airman 1st Class Gerald R. Willis)