When House Antaak broke apart from the Klingon Empire during the Separatist movement, they took whatever they could with them. The D3 class vessel, which was, up until this point, primarily a support vessel for the more robust B’Rel, became their primary combat vessel. Refitted with heavy duty disruptor weapons and housed in a six-inch thick tritanium armor plating, the Separatist D3 is a force to be reckoned with and a testament to the tenacity and ingenuity of House Antaak’s Separatist forces.