170516-N-OU129-073 DA NANG, Vietnam (May 16, 2017) Lt. Cmdr. Justin Dye, center, assigned to Naval Medical Center San Diego, performs spinal surgery at Da Nang Orthopedic and Rehabilitation Medical Center during Pacific Partnership 2017 in Da Nang, Vietnam. Pacific Partnership is the largest annual multilateral humanitarian assistance and disaster relief preparedness mission conducted in the Indo-Asia-Pacific and aims to enhance regional coordination in areas such as medical readiness and preparedness for manmade and natural disasters. (U.S. Navy photo by Mass Communication Specialist 2nd Class Joshua Fulton/Released)