Charlie, Meaghan M. Kacmarcik’s service dog, guides her through the Jones Building at Joint Base Andrews, Md., Oct. 24, 2024. Kacmarcik, who has been the 316th Wing deputy historian since January 2024, was diagnosed with Stargardt disease when she was 10 years old, and it has left her with vision impairment to this day. (U.S. Air Force photo by Patrick Griffith)