HSL-30 Helicopter Anti-Submarine Squadron Light Military Patch NEPTUNE'S HORSEMAN - an aviation unit of the United States Navy originally established as Helicopter Utility Squadron 4 (HU-4)...
HSL-47 Helicopter Anti-Submarine Squadron Light Military Patch DET-IC 89-90 - redesignated from HSL-47 to HSM-77 "Saberhawks" on April 2nd 2009 - White and red background with a setting sun similar...