Capt. Gavin White (U.S. Army) and his assistance dog Stuart address the crowd at the Canine Companions for Independence DogFest Walk ‘n Roll on Sept. 12 in Arlington. Also pictured (from left) are 2015 Miss Maryland USA Amber Schroen; Honorary Event Chair Dr. Katy Nelson of “The Pet Show with Dr. Katy;” Canine Companions Northeast Region Executive Director Debra Dougherty; and DogFest Co-Chair Laura Clark.