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The armor is made from high strength 3mm aluminum, which is designed to be slightly stronger than the U.S. military steel helmet, and more heat conductive, reducing overheating from the soldier. Aluminum is also harder and more corrosion resistant, allowing it to be more resistant to the environment.The armor is ribbed to give it extra strength and has reinforcing structures that make the armor stiffer, and thus more resistant to repeated impacts and sheering deformation. The aluminum possess 700 MPA and is exceptionally hard, which is stronger than RHA steel at 500 MPA, but weaker than other forms of high-strength steels. At three times the thickness, this increases the