Sikorsky X2 Gallery Matt Hardigree 7/30/10 1:14pm 7/30/10 1:14pm g 9,057L 0Edit Sikorsky X2: World's Fastest Helicopter Matt Hardigree PFollowOUnfollow 7/30/10 1:14pm 7/30/10 1:14pm g 9,057L 0Edit 1jFacebookiTwitterkTumblr