The TG-5 was a three-seat training glider of 1942 based upon the O-58 design. This aircraft retained the O-58's rear fuselage, wings, and tail while adding a front fuselage in place of the engine. In all, Aeronca built 250 TG-5 gliders for the Army. The Navy received a small number as the LNR-1.
Info: Wikipedia
http://en.wikipedia.org/wiki/Aeronca_L-3
Profile: Spafi
http://www.spafi.org/resources/category/19