For more than 20 years, vets at the military installation have treated the D.C. area’s law-enforcement dogs — those working with the Secret Service, U.S. Capitol Police, Transportation Security Administration and more. The region is home to one of the biggest concentrations of working canines in the country, officials say.
Alexandra Hassler, a Transportation Security Administration officer, walks Upton outside Fort Belvoir’s veterinary clinic. Upton, a Labrador retriever who works for the TSA, recently had a physical at the clinic, which is staffed by vets who see the canines assisting several federal agencies in the D.C. region. Linda Davidson/The Washington Post Buy Photo