World's largest test center now on YouTube Published Dec. 22, 2009 By 061209 ARNOLD AIR FORCE BASE, Tenn. -- Arnold Engineering Development Center launched a YouTube channel Dec. 11 to showcase various systems tested at the center, including the F-35 and F-22 fighter jets and NASA Ares. The AEDC channel can be found at www.youtube.com/user/aedctesttube. The Department of Defense is using social media Web sites like YouTube, Twitter and Facebook to communicate with the public at a level never 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.