The “Mudruckers,” a group of reservists serving with the 315th Airlift Wing at Joint Base Charleston, S.C., show off their muddy physiques after completing the Rugged Maniac 5K mud run held March 8, 2014, at Boone Hall Farms in Mount Pleasant, S.C. This is the second obstacle-type challenge course the group has completed. (U.S. Air Force photo by Senior Airman Meredith A. H. Thomas)