BOURNE, Mass. - A candidate of the Deployable Operations Group assessment and selection perform push-ups in full gear with a gas mask during the rigorous, two and a half day assessment at the Massachusetts Military Reservation Monday, April 20, 2009. The assessment was developed to identify Coast Guardsmen who have the physical and mental capabilities to serve in specialized law enforcement billets throughout the Coast Guard's deployable, specialized force units. (Coast Guard photo by Petty Officer 2nd Class Lauren Jorgensen)