Unlike earlier such craft, even Chelomey's first satellites Polyot-1 (1963) and Polyot-2 (1964) were able to change their orbits themselves.
与先前的工艺，甚至切洛梅第一卫星Polyot - 1（1963）和Polyot - 2（1964）能够改变其运行轨道自己。