U.S. Navy Lt. James Wallace, left, and U.S. Navy Lt. Cmdr. Kristen Stevens perform hernia repair surgery on a Filipino patient aboard the hospital ship USNS Mercy during Pacific Partnership 2015 in Roxas City, Philippines, July 25, 2015. U.S. Navy Lt. James Wallace, left, and U.S. Navy Lt. Cmdr. Kristen Stevens perform hernia repair surgery on a Filipino patient aboard the hospital ship USNS Mercy during Pacific Partnership 2015 in Roxas City, Philippines, July 25, 2015. SHARE: Download: Full Size (2.001037 MB) Tags: Photo Essays Credit: VIRIN: 464997-X-MGZ80-802.jpg Photo Gallery