Speed Tunnel NASA mechanical engineering technician Earl Harris adjusts the wing fold of an Aerial Regional-Scale Environmental Survey of Mars airplane within NASA Langley Research Center's 12-foot low speed tunnel in Va., Jan. 25, 2006. The tunnel will test the ARES airplane for stability in various wind conditions and validate the airplane's aerodynamics. SHARE IMAGE: Download Image: Full Size (0.09 MB) Photo By: VIRIN: 303934-T-CCQ58-835.jpg Photo Gallery