Four military working dogs — three Air Force, one Army –  retired today at the first Joint Base San Antonio military working dog retirement ceremony at Joint Base San Antonio-Randolph. The military working dogs, assigned to the 802nd Security Forces Squadron at Joint Base San Antonio-Lackland, 902nd SFS at Randolph and 31st Engineer Battalion at Fort Leonard Wood, Mo., received a certificate of meritorious service and a special retirement collar at the ceremony. Click on the gallery below to see photos of the event and to learn more about each dog’s history. Military Working Dog Kevin (not pictured) was born…