AEDC Commander gets an up-close look at Hypervelocity Wind Tunnel 9 capabilities

ARNOLD AIR FORCE BASE, TENN. -- While visiting the AEDC Hypervelocity Wind Tunnel 9 in White Oak, Maryland, on Oct. 20, AEDC Commander Col. Scott Cain, right, gets a close look at the original German supersonic wind tunnel, circa 1930s, as Tunnel 9 Lead Project Engineer Joseph Coblish, left, describes the capabilities and how it was used. (U.S. Air Force photo/Arnold Collier)