for incoming fire from the north. i joined captain kyle moses, aka, the beast. >> climb up the ladder. >> all right. >> on a mission to one of the most dangerous spots on the planet. >> watch your elbows. canopy is coming down. >> the demilitarized zone that separates north and south korea. the north koreans have been threatening to shoot u.s. planes out of the sky, so even a routine mission is dangerous now. >> ground check one. cleared for take off. visor down. seat is armed. here we go. >> and it doesn't take long for captain moses to demonstrate why they call him the beast. >> all right, get ready for some "g" here. >> after takeoff, he puts us straight into a roll. the plane takes on up to nine times the force of gravity, or nine g. >> how's that? >> that was intense.