On November 3, 1973 from the spaceport on Cape Canaveral the spacecraft Mariner-10 was started. Studying of planets Venus and Mercury was the purpose of that flight. During the mission the automatic interplanetary station made video filming of Venus and Mercury. The maximum rapprochement with Venus was 5770 km, and the maximum rapprochement with Venus 703 km. It was the last device of the Mariner series as the devices "Mariner-11" and "Mariner-12" were renamed into "Voyager-1" and "Voyager-2".