U.S. Air Force Staff Sgt. Kaithlyn Guerrero, 18th Security Forces Squadron military working dog handler, comforts MWD Quinto after he was given medicine to sedate him for his surgery April 18, 2020, at Kadena Air Base, Japan. Military working dogs are required to fast 12 hours prior to surgery. Quinto was having surgery to remove a large mass near the neck of his urinary bladder where the bladder transitions into the urethra. (U.S. Air Force photo by Staff Sgt. Benjamin Sutton)