Master Sgt. Jun Prudencio uses a backhoe, Nov. 5, 2011, to dig one of five mud pits for the Defenders Dash Mud Run scheduled for Nov. 19 at the Ben Clark Joint Training Center, Riverside, Calif., as Tech. Sgt. Jeffrey West observes. Prudencio and West are two of six 452nd Civil Engineer Squadron members helping to prepare the course. (U.S. Air Force photo/Master Sgt. Linda Welz)
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