Patent ID: 7987762

Claim:
An armor system for protecting a vehicle from a projectile, the projectile having an expected trajectory and the vehicle having a hull, the armor system comprising: a modular armor subsystem configured to be mounted exterior to the vehicle hull, the modular armor subsystem including (a) a leading layer having metal, leading relative to the expected projectile trajectory; (b) an intermediate sheet-like layer having low density material selected from the group consisting of low density polypropylene composite material, Tegris®, reinforced polymer, reinforced plastic, polyethylene composite material, Dyneema®, and high molecular weight polyethylene fiber or tape, abutting a rear surface of the leading layer; (c) an intermediate sheet-like layer having glass fiber material and abutting a rear surface of the intermediate low density material layer; and (d) an intermediate sheet-like layer having metal and abutting a rear surface of the intermediate glass fiber layer.