Interstate TDR Assault Drone
The Interstate TDR was an early unmanned combat aerial vehicle — referred to at the time as an assault drone developed by the Interstate Aircraft and Engineering Corporation during the Second World War for use by the United States Navy. Capable of being armed with bombs or torpedoes, 2000 aircraft were ordered, but only around 200 were built. The type saw some service in the Pacific Theater against the Japanese, but continuing developmental issues affecting the aircraft, along with the success of operations using more conventional weapons, led to the decision being made to cancel the assault drone program in October 1944.
TDR-1 – Production version 189 aircraft produced
Interstate TDR-1 in flight over Philadelphia Navy Yard 1943 
Interstate TDR-1 
Interstate TDR-1 
Interstate TDR-1 
Interstate TDR-1 
Interstate TDR-1 
Interstate TDR-1 
Interstate TDR-1 
Interstate TDR-1 
Interstate TDR-1 
Interstate TDR-1 
Interstate TDR-1 
Interstate TDR-1
XTD3R-1 – Variant with Wright R-975 radial engines, three prototypes built
Interstate XTD3R-1 
Interstate XTD3R-1 
Interstate XTD3R-1 
Interstate XTD3R-1 NAS Patuxent River in March 1944 
Interstate XTD3R-1
XBQ-4 – Army designation for TDR-1. One aircraft converted from TDR-1
Interstate XBQ-4 
Interstate XBQ-4
Delivery to the Pacific
