U.S. Navy sailors assigned to Riverine Squadron 1 conduct a hot extraction drill during Bold Alligator 2012 at Camp Lejeune, N.C., on Feb. 7, 2012. Bold Alligator is a joint and multinational amphibious assault exercise involving several foreign militaries and the U.S. Navy and Marine Corps, designed to execute brigade-sized amphibious assaults against low-to-medium land and maritime threats to improve amphibious core competencies.