170311-N-DS065-0264 ATLANTIC OCEAN (March 11, 2017) Sailors assigned to the amphibious assault ship USS Iwo Jima (LHD 7) fire M4A1 carbines during a low-light gun shoot on the ship’s flight deck. Iwo Jima is underway conducting a series of qualifications and certifications as part of the basic phase of training in preparation for future operations and deployments. (U.S. Navy photo by Mass Communication Specialist 3rd Class Evan A. Denny/Released)