Lt. Col. Gerald Delk (right), from the 920th Aeromedical Staging Squadron at Patrick Air Force Base, Fla., and Nha Nguyen, ask two Vietnamese patients medical related questions during a visit to the family practice clinic in Truong Thanh, Vietnam, where more than 50 U.S. military personnel are in Vietnam working alongside the Vietnamese military, non-governmental organizations and civil health and engineering personnel in humanitarian medical and engineering efforts. The medical team is providing family practice, dental, optometry, pediatrics and women's health care to Can Tho area residents. Engineering efforts include plumbing, electrical and structural work on two area medical clinics. Operation Pacific Angel is a Pacific Air Forces program led by 13th Air Force at Joint Base Pearl Harbor Hickam, Hawaii. Medical and engineering missions are scheduled to run through May 15, 2010. (U.S. Air Force photo/Capt. Timothy Lundberg)