U.S. Airmen with the 97th Logistics Readiness Squadron rodeo team put on their gas masks after a simulated chemical attack and continue their run during the Air Mobility Rodeo combat endurance competition at Joint Base Lewis-McChord, Wash., July 28, 2011. The competition included 18 obstacles, four combat skills and a 1.2-mile run. The Air Mobility Rodeo is the Air Mobility Commands biennial readiness competition. It focuses on improving the professional core abilities of air mobility forces from the U.S. Air Force and Air Force Reserve as well as allied nations.