M18 Mastiff Internal Security Vehicle

The is a UNSC armoured vehicle. Utilised as an internal security vehicle, it is designed for use by UNSC Military Police, for patrolling UNSC bases, and secure areas. Modelled on an armoured police vehicles used by UNSC loyal police units in the Outer Colonies, it is designed for a multitude of uses. 
It uses a mine-resistant hull, and features meant to protect itself against booby traps and incendiary weapons used by rioters and Insurrectionists. It can also be refitted with mesh protection and slat protection. It has a turret with a .50 cal machine gun, a 40mm grenade launcher, with the 40mm carrying both lethal and non-lethal munitions, including bean bag rounds or fast drying restrictive glue. The turret also features an Area Denial System, known as a Heat Ray, that causes severe discomfort in a directed beam, though inflicts no last damage. It also has tear gas dispersal systems for clearing crowds, louder speakers, sirens, and sonic defences for discouraging crowds. It also uses external observation systems for maximum coverage against any external threats. 
It can carry a number of personnel in an environmentally sealed cabin, with access to the external systems and loud speakers. The vehicle has a rear clamshell door, and the side doors, with roof hatches for crew and passengers. The vehicle also has internal restraints to hold prisoners. 
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