The Commonwealth Civil War is the unofficial name given to the conflict taking place in Red Faction 2, It was influenced by the uprising on Mars during the events in Red Faction, the conflict involved an Rebel Militia inspired by Mars's Red Faction led by an young man codenamed "Echo" against the Commonwealth's forces led by General Sopot, the fall of the Commonwealth led to an economical crisis on Earth, causing the EDF to be brought out and controlled by multinational corporations interested in Mars's resources, leading to the Second Martian Revolution forty-five years later.