Air Force Master Sgt. Ray Anspach immunizes a soldier against smallpox at Walter Reed Army Medical Center. Air Force Master Sgt. Ray Anspach immunizes a soldier against smallpox at Walter Reed Army Medical Center as other medical technicians observe the technique on Jan. 14, 2003. Anspach is using a bifurcated or forked needle to administer the vaccine. SHARE: Download: Full Size (0.08 MB) Credit: VIRIN: 894583-M-OOH05-488.jpg Photo Gallery