While the Earth colonies faced the threat of pirates and aliens, Earth struggled with a growing civil war. Started by the zealots of The Faith, as they attempted to usurp power from the Council of Leaders, other separatist groups rose up. Across the Eurasian continent bushfire wars broke out. New Rome, France, The Scottish Republic, Baltania. The Council militia groups fought back as best they could.
Backbone of the new struggle was the QD/19-J nicknamed Jitterbug. This quad mech functioned as a walking tank against enemy mecha. It's weapons capable of taking out titanium plating. Equipped with force shielding, this scuttling mech could easily deflect returned fire.
Main weaknesses include a fixed firing arc, set load-out and helpless if even one of its limbs is damaged.