USMC Mud Run
U.S. Air Force Airmen from the 20th Comptroller Squadron, swim through an obstacle at the U.S. Marine Corps 2012 Mud Run, Columbia, S.C., April 21, 2012. Herndon, along with other Airmen from the 20th CPTS, split into three teams: Thunder Thunder, Thunder Cats, The Number 2's and The Mudder Funkers to participate in the Mud Run.(U.S. Air Force photo by Airman Nicole Sikorski/Released)