Good Dog Huff, a golden retriever, gets praise for retrieving his leash and giving it to Rick Yount, executive director of the Warrior Canine Connection, a nonprofit organization in Brookeville, Md., that works with dogs in service training and with service members who have post-traumatic stress disorder or traumatic brain injury while they are undergoing treatment at the National Intrepid Center of Excellence in Bethesda, Md. Military physicians involved in the effort to diagnose and treat those service members updated a Senate panel on their progress, April 20, 2016. DoD photo by Terri Moon Cronk SHARE IMAGE: Download Image: Full Size (1.05 MB) Photo By: Terri Moon Cronk VIRIN: 121127-D-DE571-002.JPG Photo Gallery