In the Imperial Army during the First World War, 47 armored units operated. In addition, were operating on the Russian front a Belgian detachment (350 people, 13 armored vehicles, 6 cars, 20 trucks, 18 motorcycles and 130 bicycles), and a British detachment (566 people, 28 armored cars, 22 trucks, 7 cars, 5 ambulances cars, 3 car repair shops, 3 wireless telegraph stations, 4 tank trucks, a truck crane, a kitchen and 47 motorcycles).