Luna 24

Luna 24 was a robotic probe of the Soviet Union's Luna programme. The 24th mission of the Luna series of spacecraft, the mission of the Luna 24 probe was the third Soviet mission to return lunar soil samples from the Moon (the first two sample return missions were Luna 16 and Luna 20). The probe landed in Mare Crisium (Sea of Crises). The mission returned 170.1 g (6.00 oz) of lunar samples to the Earth on 22 August 1976.