Tactical Dreadnought Armor or Terminator Armor as it is more commonly known, is the best personal armour in the galaxy. It also commonly includes numerous auxiliary systems such as communications, auto-senses etc. Power armor is fully sealed to provide protection against gas weapons and harsh atmospheres. It is made from thick ceramite plates and would be heavy and cumbersome but but for electrically motivated fibre bundles implanted in the armor that replicate the movements of the wearer and the supplement his strength. The Power Armor is a completely enclosing suit of armour as worn by Space Marines. Flak armour is mainly used by the Imperial Guard. Flak armor is cheap and easy to produce, requiring a very low technology base. Flak armor comprises several layers of different ablative and impact absorbent materials which should absorb the majority of energy from a shot.