World's largest ground test center now on YouTube Published Dec. 24, 2009 By Joel Fortner Arnold Engineering Development Center Public Affairs ARNOLD AIR FORCE BASE, Tenn. (AFNS) -- Arnold Engineering Development Center officials have launched a YouTube channel to showcase various systems tested at the center, including the F-35 and F-22 fighter jets and NASA Ares rocket. The AEDC channel can be found at www.youtube.com/user/aedctesttube. Department of Defense officials are using social media Web sites like YouTube, Twitter and Facebook to communicate with the public at a level not available until recent years. To date, the most popular video on AEDCtesttube is the F-35 wind tunnel clip, which is one of the most followed aerospace systems in the world presently. An Air Force Materiel Command test center, AEDC is the largest and most advanced ground test complex in the world.