110809-N-ZZ999-009
SOUTH CHINA SEA (Aug. 9, 2011) Sailors assigned to the Black Knights of Helicopter Anti-Submarine Squadron (HS) 4 perform maintenance on MH-60S Sea Hawk helicopters aboard the aircraft carrier USS Ronald Reagan (CVN 76). Ronald Reagan is underway in the U.S. 7th Fleet area of responsibility. (U.S. Navy photo by Seaman Nolan Kahn/Released)