San Diego, California (June 09, 2018) Aviation Machinist Mate 2nd Class Breanna Green of Helicopter Sea Combat Squadron 21, Black Jacks, stationed at Naval Air Station North Island performs maintenance on the tail rotor driveshaft of an MH-60s Nighthawk helicopter. HSC-21 is part of Helicopter Sea Combat Wing Pacific (HSCWINGPAC). Its Mission is to provide all weather, vertical-lift, combat-ready aircraft and crews to deploy globally

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Keywords: aviation, coronado, diego, fly, helicopter, helseacombatron, hsc-21, maintenance, mh-60s, nasni, naval, navy, nr-npasew, pride, reserve, san, squadron