Senior Airman Evans Adonteng, 790th Missile Security Force Squadron, tries to keep his mouth above water as he does team pushups in a mud hole as part of the Team Pain section of the Crow Creek Challenge Friday, August 10, 2012. Evans was part of a 790 MSFS team that took part in the annual F.E. Warren AFB competition which challenges 90th Security Group airmen to the limits of their physical endurance and in knowledge related to their job. (U.S. Air Force photo by R.J. Oriez/Released)