Mission Summary
Luna 15 was an ambitious Soviet mission launched during the Apollo 11 mission with the goal of becoming the first spacecraft to return lunar samples to Earth. Launched on July 13, 1969, just three days before Apollo 11, the spacecraft was designed to land on the Moon, collect a small sample of lunar soil, and automatically return it to Earth before the American astronauts completed their mission.
After entering lunar orbit, Luna 15 spent several days preparing for its descent while Apollo 11 landed in the Sea of Tranquility. On July 21, 1969, just hours before the Apollo 11 crew began their journey home, Luna 15 started its landing attempt. The spacecraft crashed into a mountain in the Mare Crisium region, ending the mission before it could collect samples.
Although unsuccessful, Luna 15 highlighted the intense competition of the Space Race and demonstrated the Soviet Union’s determination to achieve a robotic lunar sample return. The technology developed for the mission later contributed to the successful Luna 16 mission in 1970.
Sources and notes can be found on the Sources page.
