Air Force Week-Sacramento
Master Sgt. Craig Brown crawls through the famed mud pit during the 10th Annual Mather Mud Run in Rancho Cordova, Calif., Sept. 5, 2009, during Air Force Week Sacramento. The Mud Run features a 5-mile or 2-mile obstacle course boot camp challenge with low walls, tunnel crawls, a tire run, hay bale jumps and a low-crawl mud pit. Sergeant Brown is a member of the 615th Contingency Response Wing at Travis Air Force Base, Calif. (U.S. Air Force photo/Staff Sgt. Bennie J. Davis III)