U.S. Navy Hospital Corpsman 1st Class Luis Ramos, right, and Nguyen Ghu Ha, an optometrist, check a boy's eyesight during a Pacific Partnership 2012 medical event at Hung Lam Primary School in Vinh, Vietnam, July 17, 2012. Pacific Partnership is an annual deployment of forces designed to strengthen maritime and humanitarian partnerships during disaster relief operations, while providing humanitarian, medical, dental and engineering assistance to nations of the Pacific.