U.S. Navy PETTY Officer 3rd Class Ronald Bayaca, Hospital Corpsman Second Class, U.S. Military Sealift Command, Mercy Class Hospital Ship USNS MERCY (T-AH 19), prepares a patient for a CT scan at the RSUD Tarakan Hospital during a humanitarian and civic deployment to Tarakan, Indonesia on Aug. 16, 2006.(U.S. Navy photo by Mass Communication SPECIALIST SEAMAN Joseph Caballero) (Released)