MSG Warrior Challenge
U.S. Air Force Staff Sgt. Terri Brown, 20th Logistics Readiness Squadron equipment accountability journeyman, and Airman 1st Class Jeremy Spencer, 20th LRS material control and vehicle maintenance, participate in the physical training challenge, while Staff Sgt. Ellamarie Powell, 20th LRS unit training manager, and Staff Sgt. Jairus McCain, 20th LRS equipment technician, administer the PT Challenge, at Shaw Air Force Base, S.C., Nov. 18, 2011. The 20th MSG held a Warrior Challenge to boost the morale and camaraderie of the Airmen. The 20th MSG Warrior Challenge consisted of a physical training challenge, three-mile rucksack march and an obstacle course. (U.S. Air Force photo by Airman 1st Class Tabatha Duarte/Released)