Take on the Marine Challenge
U.S. Marine SGT. Francisco Barron, Inspector Instructor Staff heavy equipment chief, coaches Army SGT. Lixing Zhang, 285th Assault Aviation Battalion UH-60 Crew Chief through the ‘Maneuver Under Fire’ Marine Challenge at Davis-Monthan air Force Base, Ariz., March 28, 2014. The challenge consists of 15 different exercises, some of which are a fireman carry, low crawl, ammo can sprints and a grenade throw. (Air Force photo by Senior Airman Camilla Elizeu/Released)