Aero Industries TG-31

The Aero Industries TG-31 was a 1940s American military training glider, designed and built by students at the Aero Industries Technical Institute as the Aero Industries G-2 and impressed into military service as the Aero Industries TG-31 on 29 June 1942.
Design and development.
The Aero Industries TG-31 design was a high-wing sailplane design of wood-steel-fabric construction, with a single wheel aft of the nose skid. One G-2 sailplane (civil registration NC19965) was impressed into USAAF service on June 29, 1942 and allocated the designation TG-31 and the serial number "42-57171".