Kharkovian armored sentinels
Kharkovian Guard regiments made frequent use of armored sentinels. Armed with a lascannon they were primarily used as an armor hunting detachment. With their heavier armor they were able to withstand far more punishment than a scout sentinel while retaining the mobility to traverse difficult terrain obstacles. Furthermore they were known to occasionally charge into combat with the infantry units giving them more combat power while being generally immune to enemy attacks.