Official HSC-21 Blackjacks MH-60S Patch Boomerangs supporting the tactical squadrons of

supporting the tactical squadrons of Provisional MAG-39 at Quang Tri

Officially Licensed US Navy VAQ-137 Rooks Squadron Patch — Electronic Attack Excellence

and neutralize naval mines in harbors

P-8A Poseidon community members

all conditions

Official HSC-21 Blackjacks MH-60S Patch Boomerangs supporting the tactical squadrons ofOfficial HSC 21 Blackjacks MH 60S Patch Playing the Winning Hand in Rotary Wing Combat The Blackjacks always hit 21 and they do it from the cockpit of an MH 60S Seahawk. Helicopter Sea Combat Squadron 21, the Blackjacks, operate the MH 60S Seahawk out of NAS North Island, providing vertical replenishment, search and rescue, combat logistics, mine countermeasures, and special operations support. HSC 21 is one of the Navy's most versatile helicopter