B*N*S*N4

05/10/2010 - Brazilian marines with Marine Corps Special Operations Battalion (Tonelero) practice close quarters combat skills during training with U.S. Navy SEALs as part of a joint combined exchange training exercise in Brazil May 10, 2010. The bilateral training, conducted by the SEALs as well as U.S. Navy Special Warfare Combatant-craft Crewmen, marks the first time the U.S. has engaged with the battalion in more than 25 years and is intended to strengthen ties between the two nations. (DoD photo by Chief Mass Communication Specialist Kathryn Whittenberger, U.S. Navy/Released)

05/12/2010 - U.S. Air Force Staff Sgt. Jacinto Nunez, of the 902nd Security Forces Squadron, flips over a reverse high wall while participating in an obstacle course and ruck march event at Camp Bullis, Texas, May 12, 2010, being held for National Police Week. Nunez and his team placed third in the event. (DoD photo by Steve Thurow, U.S. Air Force/Released)