170106-N-KC128-0100 PEARL HARBOR (Jan. 6, 2017) A Sailor working as a "side boy" looks on during Naval Submarine Training Center, Pacific's change of command ceremony at Joint Base Pearl Harbor-Hickam. Capt. Andrew Hertel relieved Capt. Michael Martin as commanding officer of of the command. (U.S. Navy photo by Mass Communication Specialist 1st Class Daniel Hinton/Released)