U.S. Marines assigned to the Marines Forces, Pacific (MARFORPAC) Band perform during the Headquarters Battalion (HQBN), Marine Corps Base Hawaii (MCBH) relief and appointment ceremony at Dewey Square aboard MCBH, Kaneohe Bay, Dec. 11th, 2014. The transition of the sword of office represents the passing of authority over a battalion from one senior enlisted advisor to the next. (U.S. Marine Corps photo by Lance Cpl. Aaron S. Patterson, MCBH Combat Camera/Released)