The KPMO "Krug" (Russian: Конвейер промышленных машин и оборудования «Круг»), also known as the Krug-class Industrial Service Vessel is a large industrial vehicle intended to serve as a mothership for vehicles manufactured by Vechnyy Kosmofabrikatsiya which lack a jump drive. In essence a mobile station, the Krug is able to move small fleets of spacecraft to and from industrial zones.