Ghosts are one of the most common vehicles in the covenant.  They can only hold one person at time and are normally piloted by elites.  They are very fast and maneuverable.

Banshees are like faster and more agile helicopters.  Banshees, like Ghosts, can only be piloted by only one person at a time and are very maneuverable.

Warthogs are the most common vehicle in the human military.  They have a turret mounted on the back of the warthog.  There are two different types of turrets on the warthog; Machine gun or Gauss Cannon.  Warthogs can hold up to three people at a time. They can hold one driver, one person on the turret, and one on the passenger side. 

The Scorpion is the most powerful vehicle in the human military.  They are equipped with two different types of guns; a cannon and a machine gun.  They also have armor that is invulnerable to small arms fire.  They can only hold one person at a time.

The Rocket Launcher is one of the most dangerous weapons in the game.  Their highly explosive rockets are perfect for destroying any type of vehicle.  You can lock on to a vehicle and your rocket will be guided straight towards your target.  This gun can only hold two rockets at a time.

Many people believe that the energy sword is the most powerful weapon in the game.  They are normally only wielded by high ranking Elites.  The energy sword is normally a one hit kill.

The Battle Riffle is a good all-around weapon. It can be used for long and short range combat.  Its scope has a magnification level of 2x.  It fires short automatic burst of three founds from a thirty-six round magazine.

The SMG is weak when used alone, but since it is small, two of them can be wielded at once.  The SMG is an automatic gun and fires from a sixty round magazine.  It is not very accurate over long distances but is very good in close-quarters.