Boatswain's Mates, top right, with the USS San Diego direct a crane operator, not shown, in lowering a rigid inflatable boat (RIB) into the water with hand and arm signals as part of crane operations during Certification Exercise (CERTEX) off the coast of Southern California, June 13, 2014. CERTEX is the final evaluation of the 11th Marine Expeditionary Unit and Makin Island Amphibious Ready Group prior to deployment. The evaluation requires the Marines and sailors to plan and conduct integrated missions simulated to reflect real-world operations. (U.S. Marine Corps photo by Gunnery Sgt. Rome M. Lazarus/Released)