9/13/2011 - VANDENBERG AIR FORCE BASE, Calif. – A syringe is prepared to inject the influenza vaccination at the medical clinic here Tuesday, Sept. 13, 2011. The influenza vaccine is meant to inoculate against the current strain of the flu. (U.S. Air Force photo/Senior Airman Lael Huss)

9/13/2011 - VANDENBERG AIR FORCE BASE, Calif. – Preparing for the influenza vaccine injection, Col. Richard Boltz, the 30th Space Wing commander, listens to the medical brief at the medical clinic here Tuesday, Sept. 13, 2011. The influenza vaccine is available to all active-duty members. (U.S. Air Force photo/Senior Airman Lael Huss)

9/13/2011 - VANDENBERG AIR FORCE BASE, Calif. – Col. Richard Boltz, the 30th Space Wing commander, receives the influenza vaccine at the medical clinic here Tuesday, Sept. 13, 2011. The influenza vaccine is available to all active-duty members. (U.S. Air Force photo/Senior Airman Lael Huss)

9/13/2011 - VANDENBERG AIR FORCE BASE, Calif. – Chief Master Sgt. Suzanne Talbert, the 30th Space Wing command chief, receives the influenza vaccine at the medical clinic here Tuesday, Sept. 13, 2011. The influenza vaccine is meant to inoculate against the current strain of the flu. (U.S. Air Force photo/Senior Airman Lael Huss)