Yesterday, our buddy, Susan Katz Keating asked what this was. Turns out that it is a homemade tank built by Syrian rebels;
Nice Sony Playstation controls for the machinegun, huh? Seems like a lot of work to get a machinegun into the action, though. But it is marginally better than the Egyptian helmet thing we saw last year.
Thanks to Raoul for the link to Weasel Zippers.