First Robotic Surgery Aboard Mercy U.S. Navy and Sri Lankan surgical team members use a Da Vinci XI Robot Surgical System while performing 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 (1.97 MB) Tags: Pacific Command, pacific partnership, Sailors, training, Navy, Pacom Credit: Petty Officer 2nd Class Kelsey L. Adams VIRIN: 180504-N-RM689-0345A.JPG Photo Gallery