>>> The sound of the GAU-8 main gun is something you have to hear to believe.
Proof right here: http://www.youtube.com/watch?v=8wQ0BXExYkg
The commentary is priceless on this one.
More proof right here: http://www.youtube.com/watch?v=PrhoYnpgm-g
Get goosebumps every time I watch those. Too bad they're being retired.