Invention of flamethrower

I love Pyro.

...and the conversation would have ended there, but he mentioned it to his freind Bob. Y'know, Bob... the guy that's good with tools?
He came back a little while later and said, "Flamethrower, what a concept! FWOOOOSH!

Nah... Grenade? 1 bunker cleared
Flamethrower + napalmtank? Around 20

No one remembers the flare gun?

http://i.crackedcdn.com/phpimages/photoshop/3/8/1/221381.jpg?v=1

Mmmph mmph?