U.S. Navy Cmdr. Matthew Provencher, right, the director of surgical services, assisted by Capt. Todd Simmonson, perform surgery aboard Military Sealift Command hospital ship USNS Mercy (T-AH 19) Aug. 14, 2012, in the Pacific Ocean, during Pacific Partnership 2012.
Pacific Partnership is an annual deployment of forces designed to strengthen maritime and humanitarian partnerships during disaster relief operations, while providing humanitarian, medical, dental and engineering assistance to nations of the Pacific. (DoD photo by Mass Communication Specialist 2nd Class Roadell Hickman, U.S. Navy Released). Original public domain image from Flickr