U.S. Air Force Col. John J. Allen Jr., 633rd Air Base Wing commander, receives a flu shot from Airman 1st Class Jesse Hansen, 633rd Medical Operations Squadron internal medicine technician, at Langley Air Force Base, Va., Sept. 20, 2013. Flu vaccinations are set to be available for active-duty personnel and government employees at Langley Sept. 25 and 27. For more information on the importance of the flu vaccine, call the 633rd Public Health clinic at 764-6731 or the McDonald Army Health Center Immunization clinic at 314-7673. (U.S. Air Force photo by Airman 1st Class Victoria H. Taylor/Released)