Donna Vanarsdall, 2nd Medical Group immunization clinic, receives an injection the of flu vaccine from Senior Airman Alexander Roberts, 2 MDG immunization clinic, on Barksdale Air Force Base, La., Sept. 24. Team Barksdale members began recieving their annual flu immunizations so they stay healthy and remain mission ready. Normally the vaccines are given as a nasal mist spray, but certain individuals get a traditional needle depending on various factors. (U.S. Air Force photo/Airman 1st Class Andrew Moua)(RELEASED)