between 1958 and 1976. Luna 9 was the first spacecraft to achieve a soft landing on the Moon on February 3, 1966, after 11 unsuccessful attempts. Three Luna Spacecraft returned lunar soil samples to Earth from 1972 to 1976. Two other Luna spacecraft soft-landed the Lunokhod robotic lunar rover in 1970 and 1973. Luna achieved a total of seven successful soft-landings out of 27 landing attempts.