 The Soviet rover was intended to be the third roving remote-controlled robot on the Moon in 1977.The mission was canceled due to lack of launcher availability and funding, although the rover was built.The Marsokhod was a " heavy" Soviet rover (hybrid, with both controls telecommand and automatic) aimed at Mars, part of the Mars 4NM and scheduled to commence after 1973 (according to the plans of 1970).