Army Capt. Amos Peterson, Andrews Section Chief Ft. Meade Branch National Capital Region Veterinary Corps, examines Charlie, a working dog with Boling AFB 11th Security Forces Squadron, during a check-up to receive his health certificate Tuesday at the veterinary clinic. Charlie is getting ready for travel with the President and needs a clean bill of health. (U.S. Air Force photo by Senior Airman Renae Kleckner)