U.S. Air Force Chief Master Sgt. Matthew Mancill, Firefighter Combat Challenge 633rd Mission Support Group team member, celebrates after completing the challenge at Joint Base Langley-Eustis, Va., Oct. 13, 2017. The 633rd Civil Engineer Squadron hosted the challenge as a part of National Fire Prevention Week. (U.S. Air Force photo by Tech. Sgt. Natasha Stannard)