U.S. Air Force Airmen perform a three person wheel barrel exercise during the Air Force Team Cohesion Challenge at Langley Air Force Base, Va., Sept. 25, 2015. The TCC promoted teamwork and leadership skills during a five-hour event. (U.S. Air Force photo by Airman 1st Class Derek Seifert/ Released)

U.S. Air Force Airmen bear crawl after losing a team race during the Air Force Team Cohesion Challenge at Langley Air Force Base, Va., Sept. 25, 2015. During the challenge, Airmen developed their physical, mental, social and spiritual wellness. (U.S. Air Force photo by Airman 1st Class Derek Seifert/ Released)

U.S. Air Force Airmen are led by a cadre in lunges during the Air Force Team Cohesion Challenge at Langley Air Force Base, Va., Sept. 25, 2015. TCC events are led by U.S. military special operators.(U.S. Air Force photo by Airman 1st Class Derek Seifert/ Released)

U.S. Air Force Staff Sgt. Michael Svoleantopoulos, 30th Intelligence Squadron surveillance and warning supervisor, performs push-ups during the Air Force Team Cohesion Challenge at Langley Air Force Base, Va., Sept. 25, 2015. This is the first TCC held at Langley AFB, but because of the success more are planned for the future. (U.S. Air Force photo by Airman 1st Class Derek Seifert/ Released)

U.S. Air Force Airmen use teamwork to pass a cadre during the Air Force Team Cohesion Challenge at Langley Air Force Base, Va., Sept. 25, 2015. The TCC lasted five hours and covered approximately five to seven miles in distance. (U.S. Air Force photo by Airman 1st Class Derek Seifert/ Released)