Gallbladder Surgery U.S. Navy and Sri Lankan surgical team members remove a patient’s gallbladder during the first robot-assisted surgery aboard the hospital ship USNS Mercy during Pacific Partnership 2018 in Trincomalee, Sri Lanka, May 4, 2018. Navy photo by Petty Officer 2nd Class Kelsey L. Adams SHARE: Download: Full Size (1.66 MB) Tags: Pacific Command, pacific partnership, Sailors, training, Navy, Pacom Credit: Petty Officer 2nd Class Kelsey L. Adams VIRIN: 180504-N-RM689-0455A.JPG Photo Gallery