Moon landing the only country to have successfully conducted manned missions to the Moon, with the last departing the lunar surface in December 1972. After the unsuccessful attempt by the Luna 1 to land on the Moon in 1959, the Soviet Union performed the first hard (unpowered) Moon landing later that same year with the Luna 2 spacecraft, a feat the U.S. duplicated in 1962 with Ranger 4. Since then, twelve Soviet and U.S. spacecraft have used braking rockets to make soft landings and perform scientific operations on the lunar surface, between 1966 and 1976. In 1966 the USSR accomplished the first
76 mm mountain gun M1938 76 mm mountain gun M1938 The 76 mm mountain gun M1938 (Russian: 76-мм горная пушка обр. 1938 г.) was a Soviet gun used in World War II. In 1937, USSR got a license for Skoda 75 mm M1936 mountain gun in exchange for license production of Tupolev SB in Czechoslovakia; subsequently, in 1937-1938 a team led by L. I. Gorlitskiy at "Plant no 7" developed a modification eventually adopted as "76 mm mountain gun M1938". The gun had high elevation angle and could be quickly dismantled for transporting by pack horses. Sprung wheels allowed high towing speed. The gun was