U.S. Soldiers with 2nd Battalion, 1st Infantry Regiment push an M792 High Mobility Multipurpose Wheeled Vehicle during the Iron Legion competition at Joint Base Lewis-McChord, Wash., Nov. 26, 2013. The Iron Legion Competition was a grueling physical event that pitted each platoon with the 7th Infantry Division, against each other as they raced against the clock to finish an array of obstacles.