Tour group
First Lt. Ryan Hawley briefs a group of 44 people in Aerodynamic Propulsion Test Unit (APTU) who toured Arnold Engineering Development Center (AEDC) last week. The visitors are Transonic, Supersonic and Hypersonic wind tunnel members of the Supersonic Tunnel Association International (STAI). The STAI semi-annual conference was held in Nashville and part of the conference was to tour AEDC facilities to better understand their operation and capabilities. AEDC personnel have been a STA/STAI members since the first meeting in 1954 in Texas. The visitors included key personnel from NASA and other U.S. wind tunnel facilities in addition to international representatives. (Photo by David Housch)