170105-N-KC128-0037 PEARL HARBOR (Jan. 5, 2017) Sailors assigned to Submarine Squadron 1 look on during a change of command ceremony for Submarine Squadron 1 at Joint Base Pearl Harbor-Hickam. Capt. Richard Seif relieved Capt. Timothy Rexrode as commanding officer of Submarine Squadron 1. (U.S. Navy photo by Mass Communication Specialist 1st Class Daniel Hinton/Released)