A U.S. Air Force Tactical Air Control Party (TACP) Airman assigned to the 116th Air Support Operations Squadron, Camp Murray, Wash., crawls across rolling logs during the 2019 Lightning Challenge at Joint Base Lewis-McChord, Wash., July 29, 2019. During the first day, TACP Airmen completed an obstacle course and Tier II Operator Fitness Test. (U.S. Air Force photo by Airman 1st Class Aaron Larue Guerrisky)