MOODY AIR FORCE BASE, Ga. – U.S. Army Specialist Zachary Phillips, Gulf Coast District Veterinary Command, prepares the catheter while Liza, 23rd Security Forces Squadron working dog, falls asleep here April 22. The catheter will be used to keep Liza blood pressure normal, keep her hydrated, and to inject her with more drugs if she wakes up during the procedure. (U.S. Air Force photo by Senior Airman Angelita Lawrence)