Chairman of the Joint Chiefs of Staff U.S. Army Gen. Martin Dempsey, right, meets with, from left, Navy Culinary Specialist Seamen Darnel Bracewell and Tyree Lesain and Chief Culinary Specialist Jamario Sheppard aboard the attack submarine USS North Carolina (SSN 777) at Joint Base Pearl Harbor-Hickam, Hawaii, June 30, 2014. Dempsey was in Hawaii for Rim of the Pacific (RIMPAC) 2014, a U.S. Pacific Fleet-hosted biennial multinational maritime exercise designed to foster and sustain international cooperation on the security of the world's oceans.