HSC-21 operates the multi-mission MH-60S Seahawk and unmanned MQ-8C Firescout. The primary mission areas of HSC-21 include Airborne Mine Countermeasures (AMCM), Combat Search and Rescue...

Helicopter Sea Combat Squadron 21 (HSC-21), nicknamed "Blackjacks", is an aviation unit of the United States Navy based at Naval Air Station North Island. HSC-21 is made up of five expeditionary detachments that deploy aboard ships including Combat Logistics Force support ships, Hospital Ships and Amphibious Assault ships, among others.

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...

The World Famous BLACKJACKS of Helicopter Sea Combat Squadron TWO ONE (HSC-21) first commissioned on April 1, 2005 at Naval Air Station North Island, Coronado, California. The BLACKJACKS...

HSC-21 continues to provide fully qualified Naval Special Warfare crews for each detachment. This includes capabilities for night vision device cast and recoveries, k-duck insertions, aerial gunnery, and Helicopter Visit, Board, Search and Seizure (HVBSS).

2020年7月25日 · Helicopter Sea Combat Squadron Two One, HSC-21 Blackjacks, US Navy. Bases and helicopter models history (HSC-21). USA

2021年9月21日 · A MH-60S Seahawk helicopter, assigned to the “Blackjacks” of Helicopter Sea Combat (HSC) Squadron 21, prepares to land on the flight deck aboard Independence-variant littoral combat ship USS...

SOUTH CHINA SEA (Jun. 10, 2024) - An MH-60S Seahawk, assigned to Helicopter Sea Combat Squadron (HSC) 21, prepares to land aboard the Independence-variant littoral combat ship USS Manchester...

Helicopter Sea Combat Squadron 21 (HSC-21), nicknamed "Blackjacks", is an aviation unit of the United States Navy based at Naval Air Station North Island. HSC-21 is made up of five expeditionary detachments that deploy aboard ships including Combat Logistics Force support ships, Hospital Ships and Amphibious Assault ships, among others.

MAKASSAR STRAIT (June 9, 2023) – Aviation Electronic Technician 3rd Class Feaisal Dosary, from Helicopter Sea Combat Squadron (HSC) 21 detachment five, poses for photo during flight operations...