Airman 1st Class Kendra Valitchka, 736th Aircraft Maintenance Squadron C-17 Globemaster III crew chief, high-fives John Walters, 436th Aerospace Medicine Squadron fitness program manager, after running a 5K June 27, 2014, on Dover Air Force Base, Delaware. Since starting the 90 in 90” program in January, Valitchka has dropped 2 minutes off her 1.5 mile runtime. (U.S. Air Force photo/Senior Airman Jared Duhon)