SECURITY-class Mjolnir

The Fifth Unknown Armor is a set of UNSC is a set of Armor. It is set to be an Armor Permutation in Halo 3.

Characteristics

 * It features a 'cap' like protusion along its rim, like that of the helmet of a Samurai Warrior.
 * It has a thin visor, similar to the 'Ninja' armor.
 * It is similar to the Fourth Unknown Armor but its helemt is less sqaured off, it has a thicker band of armor around the chin, it's visor is not as V shaped and it has a area of black armor where the 'point' of the V would be.