BARKSDALE AIR FORCE BASE, La.- A technician from the Veterinarian Clinic here draws blood from Chris, a Military Working Dog, while his handler Air Force Staff Sgt. Patrick Spivey, of the 2d Security Forces Squadron, holds him still. Eleven out of 13 K-9's received their semi-annual check-up at the clinic on Feb. 5, 2008. The two remaining dogs are currently deployed with their handlers. (United States Air Force Photo by Airman 1st Class Alexandra Sandoval)