150723-N-DB801-006 PEARL HARBOR (July 23, 2015) The attack submarine USS Cheyenne (SSN 773) transits the Southeast Loch of Pearl Harbor, Hawaii, passing the half-masted American flag of USS Charlotte (SSN 766). National ensigns aboard all U.S. Navy vessels are at half-mast to honor the five fallen service members from the July 16 shootings in Chattanooga, Tenn. (U.S. Navy photo by Mass Communication Specialist 1st Class Steven Khor/Released)