It include one flyable pelican and one drivable rocketwarthog, also include some npcs and one playermodel. The entitie banshee in the pics is not my because is from another addon. Install in your addon folder into garrysmod directory.

I will take credit to turn those props from halo packs into drivable vehicles. Please is serious, do not upload more advance duplicator files of halo vehicles are really weird and rubish. If you want to make vehicles just follow this tutorial. http://forums.facepunchstudios.com/showpost.php?p=11458316&postcount=16

I extremely recommended install also Halo Sweps, it include sweps,maps,new playermodels and more ships :
http://www.garrysmod.org/downloads/?a=view&id=51669