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 on Jan. 14, 2003. Anspach is using a bifurcated or forked needle to administer the vaccine. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 224640-G-UPL45-696.jpg Photo Gallery