150721-N-PA426-022 PEARL HARBOR (July 21, 2015) Sailors conduct evening colors aboard the guided-missile destroyer USS Hopper (DDG 70) at Joint Base Pearl Harbor-Hickam, July 21, 2015. The ensign of the United States of America is flown half-staff throughout JBPHH and will remain half-staff through July 25th. The five consecutive business days is to honor the life of each serviceman killed by a gunman in Chattanooga. (U.S. Navy photo by Mass Communication Specialist 1st Class Meranda Keller/Released)