I think the blast pictured on the front of this is that astounding conventional shot, to test a silo /bunker, in California......

Looks like a neat site to study up on............link:

http://www.aeroballisticsonline.com/ballistics/propellants.html


And let's all be careful out there.

GTC

Member, Clan of the Border Rats
-- “Sometimes I wonder whether the world is being run by smart people who are putting us on or by imbeciles who really mean it.”- Mark Twain