Keywords: HSC 21 operations 150123-N-BD107-033.jpg en Aviation Electrician's Mate 2nd Class Seth Taylor from Whittier Calif troubleshoots blade folding systems on an MH-60S Knighthawk assigned to the Blackjacks of Helicopter Sea Combat Squadron HSC 21 The Blackjacks recently returned from a six-month deployment to the Western Pacific in support of missions in 3rd and 5th fleets U S Navy photo by Mass Communication Specialist 3rd Class Liam Kennedy/Released 2015-01-23 Petty Officer 3rd Class Liam Kennedy https //www dvidshub net/image/1741075 150123-N-BD107-033 2015-01-29 04 00 SAN DIEGO CA US PD-USGov-Military-Navy MH-60S Seahawk Images from DoD uploaded by Fæ |