Jane's All the World Aircraft 1947 / All the world's aeroplanes

The prototype Northrop GB-2 Tail-less Radio-controlled Glider Bomb with pilot’s cockpit for controlled gliding tests.

Air Enthusiast 1996-07 / A.Pelletier - Towards the ideal aircraft? (1)

The Northrop N9M-2 eventually served as a training instrument at Northrop Aeronautical Institute. It is seen here in company of the Northrop JB-1a, a piloted glider variant of the JB-1 (MX-543) ‘buzz bomb’.

Другие самолёты на фотографии: Another planes on the photo: Northrop N-9M - СШАUSA - 1942

Aeroplane Monthly 1987-12 / M.Oakey - Grapevine

Northrop tailless aircraft preserved at California's Western Museum of Flight: JB-1 glider test vehicle