171025-N-AF263-061 PACIFIC OCEAN (Oct. 25, 2017) An MV-22B Osprey Tiltrotor aircraft assigned to the “Sea Elks” of Marine Medium Tiltrotor Squadron (VMM) 166 flies over a landing craft, air cushion vehicle from Assault Craft Unit (ACU) 5 during Dawn Blitz 2017. Dawn Blitz is a scenario-driven exercise designed to train and integrate Navy and Marine Corps units by providing a robust training environment where forces plan and execute an amphibious assault, engage in live-fire events, and establish expeditionary advanced bases in a land and maritime threat environment to improve naval amphibious core competencies. (U.S. Navy photo by Mass Communication Specialist Seaman Sabyn L. Marrs/Released)