Cat Check Army Capt. Amy Campbell, veterinarian branch chief at the Dover Air Force Base, Del. vet clinic, examines the condition of a cat during an emergency visit to the clinic May 1, 2013. The Army is the only branch in the Defense Department with a veterinary corps. SHARE IMAGE: Download Image: Full Size (1.61 MB) Photo By: Senior Airman Jared Duhon VIRIN: 130506-F-VJ706-001C.JPG Photo Gallery