A video with a distinct air of authenticity about it has made its way onto the internet revealing that we'll be able to use jetpacks in the multiplayer component of Halo: Reach. The video also confirms new game modes like Spartans vs. Elites, Headhunter and Invasion.
Have a look, before it's taken of Youtube
Meanwhile, we await official word from Bungie, but jetpacks certainly constitutes a "multiplayer bomb".