battlefield surveillance

I’ve been searching quite a lot lately for publications(specifically books and magazines)with information on the so-called “PROWLER” robot designed built and tested by Robot Defense Systems of Thornton Colorado around 1985. Nasty piece of tech with twin M60 machine guns,armor-plated chassis,Mark...

Hi, I spoke about this competition before,in Ryan XV-5's topic,and I prefer to open new topic for it,the main tenders were, - North American CL-4035 (T2J-1 VTOL) - Ryan/GE Model-? ,sure was in - Douglas D-793 - Grumman G-260 ,sure was in,it had a fan lift in center inboard section of the wing...

I was looking at the SDASM flickr pictures dump and found a Huey modified with retractable skids, ostensibly to afford a 360 degrees field of view to the large rectangular antenna mounted on the bottom of the cabin. I was not aware of such installation. It reminds me of the FOPEN radar...

Before ASTOR (which became Sentinel) there was CASTOR (Corps Airborne Stand-Off Radar), which came in two forms as follows: Army: CASTOR-I, this was Britten-Norman Islander with the RSRE / Thorn-EMI SAR*- this aircraft has been relatively well documented RAF: CASTOR-C, this was to use the...

Lockheed produced several initial designs leading to the Hummingbird. One of them was the GL-224-2 concept. Is there anyone who can help with a decent three view drawing or an other illustration about? The 'X' plane book No.5 -HPM Publications haves an illustration but in my copy the drawing...