Eriona Underwood hugs her father Petty Officer 2nd Class Erik Underwood. Eriona Underwood hugs her father Petty Officer 2nd Class Erik Underwood after the hospital ship USNS Mercy (T-AH 19) returned to Naval Station San Diego, Calif., on June 8, 2005. The Mercy returned after providing disaster relief to Southeast Asia following the Dec. 26, 2004, tsunami. During the deployment more than 100,000 patients were treated and more than 400 surgeries were performed. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 134371-E-TNG73-923.jpg Photo Gallery