>> scott bland and scotty burns are veterans of the high octane sport. >> you know, most people ride roller coaster for a thrill. that's just about something to put me to sleep. >> but the greater the thrill, the greater the danger. >> i would say the most dangerous thing is the risk of collision. if you lose sight of somebody else that you're flying with, you can wind up with closing speeds in excess of 200 miles an hour. >> the main fear with being hit is to be knocked out or killed. >> the biggest risk for collision comes when wing suiters fly dangerously close to each other in formations called flocks. and the most important person in the flock is the base. the person flying out front, guiding the team toward their target. and there's nobody scotty burns would want as his leader more than his good friend scott bland. >> scott's been leader of more large formations than anybody else on the planet. the number one thing that we know is we can always trust him to get us home. >> they look to me for the point of reference. i have to go a rate and a speed and hold it there no matter wh