Vanguard UNSC vehicles

Scorpion: 360 hp cost 5k 2 unlocked without purchase 
Mantis: 300hp cost 6k 2 unlocked without purchase 
Warthog: 180 hp cost 3k 5 unlocked without purchase, upgrades for chaingun: rockets or gauss cannon
Battery payload truck: 460 hp 1 unlocked without purchase 
Command warthog: 190 hp ability: rally +50% damage for 20 seconds can be used once per game