if you were forced into the army because the world was under attack from the evil aliens of Halo (or just World War 3 if you have no imagination) would you be a sniper, rocket launcher dude, commando...
on brainiac they test thermite (iron oxide, and aluminium or summat), but surely if a more rective substance was used instead of aluminum (Lithium /Soduim for instance) it would be way cooler and...