U.S. Navy Aviation Structural Mechanic 3rd Class Charles E. Brittain performs maintenance on an MH-60R Seahawk helicopter aboard the guided missile cruiser USS San Jacinto (CG 56) in the Persian Gulf Dec. 24, 2013. The San Jacinto was part of the Harry S. Truman Carrier Strike Group and was underway in the U.S. 5th Fleet area of responsibility supporting maritime security operations and theater security cooperation efforts.