Due to it being a ficticious weapon in a computer game
I suspect not.
( the mighty badger Aphrodite, on a bar stool, by your side, Wed 3 Jun 2009, 12:02, archived)

It is?
edit: ohh yeahh. cityofheroes.wikia.com/wiki/Thermite_Cannon
( TonyUNDERSCORE from the Internet, Wed 3 Jun 2009, 12:09, archived)