U.S. Navy Seabees assigned to Naval Mobile Construction Battalion 74 train on security sweeps during reception, staging, onward movement and integration training in Gulfport, Miss., Oct. 4, 2010. The training was intended to enhance the battalion's combat skills in preparation for a field training exercise at Camp Shelby, Miss. (DoD photo by Mass Communication Specialist 1st Class Ryan G. Wilber, U.S. Navy/Released)