US Navy (USN) CHIEF Hospital Corpsman (HMC) Chris Gallegos, Medical Treatment Facility, US Military Sealift Command (MSC) Mercy Class Hospital Ship USNS MERCY (T-AH 19), demonstrates the proper technique to fill syringes to Tina Elliott, Australian Navy, (left), and other MERCY personnel during a Medical and Dental Civil Action Project, on Jul. 26, 2006. The MERCY is on a five-month humanitarian assistance deployment.(U.S. Navy official photo by CHIEF Mass Communication SPECIALIST Don Bray) (Released)