The brown, craggy terrain of the Rockies, bluish rivers and the green of trees seem so close, and then a massive B-52 bomber comes into view, flying directly at you. Sure, your enjoyment of the view is hampered slightly by the fact that you're lying flat on your stomach and you have about a foot of room on any side, but it's still awe-inspiring to see such power gliding through the sky, seemingly effortlessly.