Cold War (1953–1962) human on the moon. The first of the Lunar missions was Luna 1, which launched on January 2, 1959. Its successful mission established the first rocket engine restart within Earth orbit and the first man-made object to establish heliocentric orbit. Luna 2, which launched on September 14, 1959, established the first impact into another celestial body (the moon). Finally, Luna 3 launched on October 7, 1959 and took the first pictures of the dark side of the moon. After these three missions in 1953, the Soviets continued their exploration of the moon and its environment in 21 other Luna missions.
Luna programme not assigned a Luna number. Those that failed in low Earth orbit were usually given Cosmos designations. The estimated cost of the Luna programme was about $4.5 billion. "Luna 1" (January 1959) missed its intended impact with the Moon and became the first spacecraft to fall into orbit around the Sun. "Luna 2" (September 1959) mission successfully hit the Moon's surface, becoming the first man-made object to reach the Moon. "Luna 3" (October 1959) rounded the Moon later that year, and returned the first photographs of its far side, which can never be seen from Earth. "Luna 9" (February 1966)