Russ Dillon, owner of Dillon’s Dogs, presents a certificate of graduation to both Master Sgt. Tim Williams, a career maintainer and now a member of the Office of the Warrior Advocate, and his service dog, Peter, at a small ceremony held at the Omaha Gun Club, Dec. 10, 2019, Omaha, Neb. Peter is a rescue dog that has been adopted by Tim to help with his Invisible Wounds. (U.S. Air Force photo by Josh Plueger)