1st Lt. Sabrina Macalister, 79th Medical Wing clinical nurse, gives a patient an IV during a training session July 16, 2013, at the Malcolm Grow Medical Clinic and Surgery Center Emergent Care Center on Joint Base Andrews, Md. The MGMCSC professionals maintain medical readiness for worldwide contingencies with 1,373 staff members and 69 residents. (U.S. Air Force photo Tech. Sgt. Tammie Moore)