A U.S. Air Force Airman moves a weight with a sledgehammer during the Fire Prevention Week Firefighter’s Combat Challenge at Joint Base Langley-Eustis, Va., Oct. 13, 2017. The competition took the form of a relay race, during which each Airman experienced various challenges a firefighter must be able to undertake. (U.S. Air Force photo by Airman 1st Class Anthony Nin Leclerec)