On The Level The Covenant, start at Rally Point Alpha and then proceed to the part where you are leaving the 3rd tower. Get a mongoose and drive towards the next loading point. Before you hit that loading point, make sure a brute at the tower is being infected. Now, go grab the Hornets and skip...

HALO 3 : Xbox Live has fallen into a chasm of utter chaos; an intermittent game glitch is causing players' Katana body pieces and Security shoulders to vanish, as well as denying players the ability to unlock certain achievements, and Master Chief has now fallen victim to it. Master Chief throws...

We were trying to get out of the Covenant on Halo 3 campaign and thanks to Kazarn, we did. Kazarn got on the huge ship by propelling himself with a grenade (watch the vid)