Tim Hahn, 436th Airlift Wing Safety Office occupational safety and health specialist, shakes hands with Airman 1st Class Michael White, 736th Aircraft Maintenance Squadron crew chief, after completion of Alive at 25 June 26, 2013, Dover Air Force Base, Del. White is Hahn’s 2000th graduate since he started Alive at 25 in 2009. (U.S. Air Force photo/Senior Airman Jared Duhon)