Air Force Chief of Staff Gen. Mark Welsh III, left, presents a special salute award to Air Force 1st Lt. Sarah Batzer-Frye, a nurse serving in the Air Force in an intensive care unit, during the USO of Metropolitan Washington’s 31st awards dinner in Arlington, Va., March 14, 2013. Air Force Chief of Staff Gen. Mark Welsh III, left, presents a special salute award to Air Force 1st Lt. Sarah Batzer-Frye, a nurse serving in the Air Force in an intensive care unit, during the USO of Metropolitan Washington’s 31st awards dinner in Arlington, Va., March 14, 2013. SHARE: Download: Full Size (1.88 MB) Tags: Photo Essays Credit: VIRIN: 239790-Z-SWF25-905.jpg Photo Gallery