Tactically Acquired Archive
Helicopter Sea Combat Squadron 21 (HSC-21) "Blackjacks"
About Helicopter Sea Combat Squadron 21 (HSC-21) "Blackjacks"
Helicopter Sea Combat Squadron 21 (HSC-21) "Blackjacks" was a U.S. Navy helicopter sea combat squadron supporting rotary-wing logistics, rescue, and sea combat missions. Known as "Blackjacks," Helicopter sea combat squadrons supported logistics, rescue, and sea combat missions.
Helicopter Sea Combat Squadron 21 (HSC-21) "Blackjacks" Shirts, Patches & Gifts
Our Helicopter Sea Combat Squadron 21 (HSC-21) "Blackjacks" collection gives former squadron personnel, descendants, and naval aviation supporters a place to find shirts, hoodies, patches, decals, and gifts built around the unit's history.
