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)