Four Filipinos give a thumbs-up to the camera after successfully receiving vision restoration surgery from U.S. Navy Cmdr. Kenneth Kubis (right) aboard the Mercy. USNS Mercy is a specially designed ship that is equipped to provide a variety of medical services such as optometry screenings, burn care, preventative medicine, dental screenings and treatment, veterinary care, and surgery. In addition to the surgeries and treatment aboard the ship, teams of doctors and engineers are providing humanitarian assistance and community-outreach activities at various locations in and around Cotabato, Iligan, and Datu Piang, and Maguindanao in Mindanao, as well as Samar.