Mustard Gas

Is there actually mustard (or a derivative of- seeds, etc.) in the “Mustard Gas” used by the military? If not, why is it called “Mustard Gas?”

http://www.urbanlegends.com/ulz/canola.html

Here’s a link that should answer all your questions.

Ahhh… So it’s the smell. Thanks, Earl Snake-Hips Tucker and Q.E.D.!

Alright, Earl, what did your name used to be? Inquiring minds want to know!

Still nasty stuff though.

Chronos, I used to be Mjollnir.