Master Sgt. Correy Hodge, 28th Medical Support Squadron medical material flight chief, approaches the low-crawl obstacle during the Warrior Challenge at Ellsworth Air Force Base, S.D., June 5, 2013. The low-crawl obstacle was one of several activities including weapons disassembly and reassembly stage, a self aid and buddy care scenario, and an improvised explosive device exercise where teams implemented their tactical skills and tested their readiness knowledge. (U.S. Air Force photo by Airman 1st Class Anania Tekurio/Released)