Chilean Special Forces Sailors armed with a Heckler and Koch 9mm MP5-N sub-machine guns and a 5.56 mm M4 carbines simulates maritime interdiction operations aboard the Chilean Navy Prat Class; Guided Missile Destroyer BLANCO ENCALADA (D 15), while underway in the Pacific Ocean on Aug. 26, 2006, during Exercise Panamax 2006. Panamax is a multinational training exercise tailored to the defense of the Panama Canal, involving civil and military forces from the region. (U.S. Navy PHOTO by Mass Communication SPECIALIST 2nd Class Christopher Perez) (Released)