Sure, you could kill your online foes using traditional Halo 3 weapons, such as the assault rifle, carbine or plasma pistol. No one every expects to be shot out of the air by a man cannon-launched fusion coil though. What are the odds? Good enough, as one player discovered.
Reddit user "OhhSoBlessed", posted the below video of his armour-clad character playing around with the fateful coil. After a few failed attempts, he manages to shove the thing into the cannon, launching it towards its new home in the sky.
Not only does it collide with someone, causing their demise, OhhSoBlessed received a kill credit as well. I doubt it'll shift the war effort from highly-trained, well-armed super soldiers to difficult-to-use, improvised gauss weapons, but it scores highly on the comedy scale.
Here's the other player's perspective, for the curious.