Unlike earlier such craft, even Chelomey's first satellites Polyot-1 (1963) and Polyot-2 (1964) were able to change their orbits themselves.
Skirtingai nei kiti palydovai jau pirmieji Čelomejaus palydovai „Poliot-1“ (1963) ir „Poliot-2“ (1964) gebėjo patys keisti skrydžio orbitą.