November 2, 2016, Helicopter Maritime Strike Squadron (HSM) 51 Commanding Officer Cmdr. Carey Castelein delivers remarks during a ceremony commemorating the 25th anniversary of the establishment of the squadron. HSM-51 was originally established as Helicopter Anti-Submarine Squadron Light (HSL) 51 in 1991 and has served as part of the forward-deployed naval forces continuously for twenty-five years. (U.S. Navy photo by Petty Officer 3rd Class Matthew C. Duncker)