Mark Gillis 412th Pilot Mark GillisPhoto courtesy of Tim Troyer Mark and June GillisPhoto courtesy of Tim Troyer December 2021 Mark Gilles in a 2019 Photo courtesy of greenbaypressgazette.com. Mark and June GillisPhoto courtesy of Russ McKnight Posted by Tim TroyerFans of the B-17 Flying Fortres Janie McKnightJanuary 15, 2022 Facebook0 Twitter 0 Likes