160511-N-SJ730-014 SAN DIEGO (May 11, 2016) Sailors aboard USNS Mercy (T-AH 19) man the rails as the ship departs Naval Base San Diego to participate in Pacific Partnership. Pacific Partnership, in its 11th year, is the largest annual multilateral humanitarian assistance and disaster relief preparedness mission conducted in the Indo-Asia-Pacific region. More than 600 military and civilian personnel are embarked from the U.S., Australia, New Zealand, Canada, and the United Kingdom. (U.S. Navy photo by Mass Communication Specialist 2nd class Hank Gettys/Released)