PHILIPPINE SEA (July 17, 2015) The fleet replenishment oiler USNS Pecos (T-AO 197) comes alongside the hospital ship USNS Mercy (T-AH 19) for an underway replinishment during Pacific Partnership 2015. Mercy is underway and en route to the Philippines for its third mission port of PP15. Pacific Partnership is in its 10th iteration and is the largest annual multilateral humanitarian assistance and disaster relief preparedness mission conducted in the Indo-Asia-Pacific region. While training for crisis conditions, Pacific Partnership missions to date have provided medical care to approximately 270,000 patients and veterinary services to more than 38,000 animals. Additionally, PP15 has provided critical infrastructure development to host nations through the completion of more than 180 engineering projects. (U.S. Navy photo by Mass Communication Specialist 3rd Class Mayra A. Conde/RELEASED)