HSL-33

Helicopter Anti-Submarine Squadron (Light) 33, or HSL-33, was a United States Navy helicopter squadron established on 1 March 1973. Based at Naval Air Station North Island, California, the squadron operated the SH-2 Seasprite helicopter, specializing in anti-submarine warfare (ASW) and supporting Pacific Fleet surface ships. HSL-33 provided critical airborne ASW capabilities, search and rescue, and utility missions during its service. The squadron was decommissioned on 30 September 1994 as part of post-Cold War force reductions.