Douglas XA-26 Invader
Here we see the prototype Douglas XA-26 41-19504. This was the prototype of the bomber version with a glazed bombardier's position in the nose.
How to cite this article:
Rickard, J (10 October 2018), Douglas XA-26 Invader , http://www.historyofwar.org/Pictures/pictures_douglas_XA-26_first.html