150413-N-XM324-040 SOUTH CHINA SEA (April 13, 2015) Quartermaster 3rd Class Christina Casillas, right, from San Antonio, applies a splint to a simulated broken arm during a medial drill aboard the Arleigh Burke-class guided-missile destroyer USS Fitzgerald (DDG 62). Fitzgerald is on patrol in the U.S. 7th Fleet area of responsibility supporting security and stability in the Indo-Asia-Pacific region. (U.S. Navy photo by Mass Communication Specialist Seaman Patrick Dionne/Released)