If you ever have an opportunity to enter a B-17 through the nose hatch give it a try. However, be sure to have a couple strong men close at hand to catch you if you fail. The following instructions will most likely bring success. Place your hands on the wooden pads at the top of the opening. With arms fully extended push your feet through the opening then flex your arms to pull your body in. If you flex your arms before pushing your feet through the opening you wont make it. I could still perform this fete at age 65 only because I knew the trick. And now you know