Hospital Corpsman 1ST Class Charlie Alva, left, holds a child as LT. Ronald Buckley listens to the child's heart in a medical tent set up on the outskirts of the city. Alva and Buckley are Navy medical personnel attached to Marine Expeditionary Unit (MEU) Service Support Group 24 (MSSG-24), which is providing services for Kurdish refugees as part of Operation Provide Comfort