Army Capt. Erin Brown, Ellsworth Veterinary Clinic veterinarian, restrains "Cooper" while he receives pre-anesthetic shots for surgery here, May 8. Captain Brown prepares to neuter "Cooper" in order to maintain population control and prevent future animal health concerns; it is mandatory for all pet owners on base to to register their pets said Captain Brown. (U.S. Air Force photo/Airman Matthew Flynn)