U.S. Navy Machinist’s Mate 1st Class Charles Scott, left, assigned to Maritime Expeditionary Security Squadron (MSRON) 1, and Gunner’s Mate 2nd Class Paul Adkins, assigned to Naval Special Warfare Support Activity (NSWSA) 1, man an observation post with an M14 sniper security rifle during a live-fire exercise on San Clemente Island, Calif., June 11, 2011. MSRON-1 and MSRON-11 were taking part in the month-long exercise Shark Tank 2011, which focuses on multi-phase expeditionary squadron level training and certifications. (DoD photo by Mass Communication Specialist 2nd Class Arif Patani, U.S. Navy/Released)