The USS San Diego, left, maneuvers near the fishing vessel Diane G. during a maritime interdiction operations (MIO) training exercise conducted during Certification Exercise (CERTEX) off the coast of Southern California, June 11, 2014. The 11th Marine Expeditionary Unit and Amphibious Squadron 5 team conduct CERTEX to hone mission-essential tasks, execute specified MEU and Amphibious Ready Group operations, and certify the foundation of a cohesive warfighting team for exercises and operations they may encounter in their upcoming deployment. (U.S. Marine Corps photo by Gunnery Sgt. Rome M. Lazarus/Released)