I've put up a short article on <a href="http://retromechanix.com/aerospace/north-american-aviation-eso-4705-cicaew-studies/">RetroMechanix.com</a> about some North American ESO 4705 CIC / AEW studies from the late 1940's / early 1950's:
I've found three different configurations; information on the studies is sparse, so any additional input is welcome.
-Jared

I've found three different configurations; information on the studies is sparse, so any additional input is welcome.
-Jared