Airmen from the 192nd Fighter Wing fill out paperwork before receiving their vaccines for Hepatitis B at Joint Base Langley-Eustis, April 27, 2014. The 192nd Medical Group conducted the mass vaccination for hepatitis to ensure airmen are healthy and fit to complete their missions in the Air Guard. (U.S. Air National Guard photo by Airman 1st Class Johnisa B. Roberts/Released)