The U.S. Military has recruited Hollywood prop makers and Silicon Valley entrepreneurs. Their mission: Build a real Iron Man suit to protect America's elite fighting men and women.

Cosplayer Thomas DePetrillo from Extreme Costumes blew the crowds away when he showed off his 9.5-foot-tall Iron Man Hulkbuster costume. Produced by Darren Weaver. Original reporting by Kirsten Acuna.