FIRST AID FOR FILO U.S. Air Force Staff Sgt. Chris Tener tends Filo, his military working dog, as part of the combat first aid course in Phoenix Warrior training on a range at Fort Dix, N.J., July 9, 2008. Tener and Filo are assigned to the 509th Security Forces Squadron based on Whiteman Air Force Base, Mo. SHARE: Download: Full Size (0.09 MB) Credit: VIRIN: 961496-D-CTJ07-121.jpg Photo Gallery