180803-N-KC128-211 PEARL HARBOR (Aug. 3, 2018) The color guard displays the U.S. national ensign and the Hawaii state flag during the change of command ceremony for the Los Angeles-class fast-attack submarine USS Columbia (SSN 771) on the historic submarine piers at Joint Base Pearl Harbor-Hickam. Cmdr. Tyler Forrest relieved Cmdr. Dave Edgerton as Columbia’s commanding officer. (U.S. Navy photo by Mass Communication Specialist 1st Class Daniel Hinton)