180427-N-RM689-0116 TRINCOMALEE, Sri Lanka (April 27, 2018) Cmdr. Doug Johnson, center, smiles as Dr. Champika Sujeewani, a native of Sri Lanka, intubates a simulated patient during a joint surgical simulation exercise between service members assigned to the U.S. Navy hospital ship USNS Mercy (T-AH 19) and local civilian medical professionals from Base Hospital Kantale in support of Pacific Partnership (PP) 2018. PP-18’s mission is to work collectively with host and partner nations to enhance regional interoperability and disaster response capabilities, increase stability and security in the region and foster new and enduring friendships across the Indo-Pacific region. (U.S. Navy photo by Mass Communication Specialist 2nd Class Kelsey L. Adams/Released)