If you ever visit the Aberdeen Proving Ground, you’ll see a lot of vintage tanks that’ll make you wonder how anyone ever managed to get inside them and fight a battle–and how they ever got back out. But as you can see in this video, cats don’t have that problem. Neither do chihuahuas.
But we also have a couple of guinea pigs, a hamster, and a parakeet trying their luck at armored warfare. Guinea pigs really do seem to get the hang of it. The hamster is hopeless. Try to keep him out of your order of battle, if you can.