High Quality Content by WIKIPEDIA articles! Helicopter Anti-Submarine Squadron 9 (HS-9) was an Antisubmarine Warfare Squadron helicopter squadron of the United States Navy that was originally commissioned in 1956 at Naval Air Station Quonset Point, Rhode Island with five HSS-1 “Seabat” helicopters. The squadron was deactivated in 1968. A new HS-9 was commissioned in 1976, deploying eight, Sikorsky SH-3H “Sea Kings”. It was again decommissioned in 1993.