'Staff Sgt. Benjamin Reed and Senior Airman DeJon Peirson, 60th Civil Engineer Squadron firefighters, prepare to breach the door of a simulated burning building Nov. 4, 2017 at Travis Air Force Base, Calif. Airmen of the 60th CES train on search and rescue tactics with the use of personal protective equipment and various tools needed to fight fires. ' (U.S. Air Force photo byStaff Sgt. Christopher Carranza) fromU.S. National Archives & DVIDS Public Domain Archive