PHILIPPINE SEA – Navy Cmdr. Harlon Dorey, from Bremerton, discusses patient handling on board hospital ship USNS Mercy (T-AH 19) during a mass casualty drill as part of Pacific Partnership 2015. Medical personnel trained at various stations, focusing on skills for reception and initial treatment of a mass-casualty scenario. Mercy is en route to the Republic of Philippines for its third mission port during 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 real world medical care to approximately 270,000 patients and veterinary services to more than 38,000 animals.