LANGLEY AIR FORCE BASE, Va -- 1st Lt. Avis McCaslin, 633d Medical Group family health registered nurse, explains the procedures of the exam room to Maj. Gen. Kimberly A. Siniscalchi, assistant Air Force surgeon general, during her tour of the new Langley hospital Aug. 3. Maj. Gen. Siniscalchi visited Langley to meet with key medical leaders to discuss nursing and force development. She later toured the hospital to interact with the staff to ensure medical care development for nursing needs are met. (U.S. Air Force photo/Staff Sgt. Ashley Hawkins)(RELEASED)