Before the events of World war 3000 began the Skull Empire was at its peak. unlike the NSE, The Infanity of the skull empire were more well advanced then it's future counter part,
Skull Soldiers around the time of the old Skull empire were the most feared of the Imperial army until the Creation of the Imperial Guard.
they are equipped with Modified stahlhelms to have more Resistance to Rifle rounds like the 5.56×45mm NATO. They are also equipped with Nightvision Goggles for the use of being able to see at night
While there Red goggles are not good for nighttime combat, They are very useful for locking onto enemy soldiers and are very useful in Bad Weather Conditions.
Their are also equipped with rebreathers to Counter Smoke and poisonous Objects