www.bungie.net | halo.bungie.net | bungiestore.com
No wait is Endure Firefight or Last Level ??[Edited on 06.29.2011 12:00 PM PDT]
Well if you are talking about classic, boosting with the ghost doesn't prevent the achievement from unlocking, but using the horn on the warthog will prevent it.
Yes, there're too many numbers in my name.
You should post topics involving recruiting other players in The Classifieds.