I had NO defense except a machine gun nest which watched it roll right by.
"Hey Frank, what the hell is that thing?"
"I don't know Bobby. Maybe some kinda new fangled communications device from the front lines? Those boys in Washington are always coming up with new stuff."
*picks toenails*
I only saw it at all because I scrolled down to my base to select an engineer unit and set them to work. There it was, rattling on in like it owned the place, and then BOOOM my supply depot was gone. It was like two minutes into the game. That's why I said the friggin' computer cheats. After that it was minefield and barbed wire central.
The Axis makes them using bunkers, which they start skirmishes off with. It's not hard to make them and it's really not hard to destroy them. A single rifleman squad can blow it up.