170322-N-BS159-045 U.S. 7TH FLEET AREA OF OPERATIONS (March 22, 2017) An MH-60S Sea Hawk helicopter assigned to the “Black Knights” of Helicopter Sea Combat Squadron (HSC) 4 flies near various vessels of the United States and the Republic of Korea Navies during a photo exercise. (U.S. Navy photo by Mass Communication Specialist 3rd Class Devin M. Monroe /Released)