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Helicopter Sea Combat Squadron (HSC) 21 “Blackjacks”


The HSC-21 Blackjacks expertly employ the MH-60S Seahawk helicopter and MQ-8C Firescout Unmanned Aerial Vehicle in support of U.S. Navy objectives around the world. We deploy ready detachments ashore and afloat to execute manned and unmanned Anti-Surface Warfare, Personnel Recovery (Combat and permissive Search and Rescue), Combat Logistics, Special Operations assault support, and Airborne Mine Countermeasures.

About Us

HSC-21 is the premiere expeditionary helicopter squadron and reports to Helicopter Sea Combat Wing Pacific (HSCWP). The squadron includes 50 Naval Aviators, 50 Naval Aircrewmen, 300 Aircraft maintenance personnel, and 45 support personnel. The HSC-21 “Blackjacks” train, qualify, and deploy ready detachments to sea as small, cohesive units. When not deployed, aircrew assigned to HSC-21 prepare to fight the manned MH-60S helicopter and unmanned MQ-8C Firescout helicopter in combat operations. The primary HSC mission areas include Airborne Mine Countermeasures, Combat Search and Rescue, Anti-Surface Warfare, and Combat Logistics.

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