Obstacle Course
Senior Airman Dominic Lee (left) and Airman 1st Class Joseph Pennington, 5th Air Support Operations Squadron tactical air control party members, work together to get through the obstacle course Aug. 19, 2014, during the Cascade Challenge at Joint Base Lewis-McChord, Wash. The participants of the Cascade Challenge were broken up into eight teams of two amongst their squadrons. (U.S. Air Force photo/Airman 1st Class Keoni Chavarria)

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