US Navy (USN) Hospitalman (HN) Melissa Espinosa, Medical Treatment Facility on the US Military Sealift Command (MSC) Mercy Class Hospital Ship USNS MERCY (T-AH 19), administers an IV to a patient on Jul. 25, 2006. MERCY is on a five-month humanitarian assistance deployment.(US Navy official photo by Mass Communication SPECIALIST SEAMAN Ryan Clement) (Released)