The Army Reserve of the Canadian Army is the largest part of the Primary Reserve, with an authorized strength of over 18,000 troops. It is sometimes referred to by its original and historic name, the "Militia". During operations the Army Reserve is tasked to provide fully trained and equipped troops to augment the regular army. It is the time-tested backbone of the Canadian Army and perpetuates the historic force generation mission. In times of national emergency, it is tasked with providing subordinate units (like platoons and companies) and complete units (battalions). It forms the framework needed to raise a national army during wartime and or insurrection.