In this chapter, we get a brief description of the anti-infiltration system. It's basically a giant fortress that's been set up in the middle of nowhere to keep out all kinds of nasty organisms. The only problem with this system is that it's so big that you can't even fit in a small box with a bunch of stuff inside. So, the only way to get in and out of it is to jump through the air vents and stuff. In this case, we're talking about a giant air-bag. The guys are psyched to be able to use this giant airbag as a jumping-off point to get to the other side of the world.