The first EVA by Alexey Leonov. He only had a 50 foot piece of wire to tether him to the space craft and the Russians didn't account for the pressure (or lack there of) in space so his space suit ballooned up to the point where he couldn't get back though the hatch. So he had to release some pressure by undoing theā€¦ » 7/29/13 1:17pm 7/29/13 1:17pm