Moon landing the first Soyuz flight in 1967, the co-ordination of the Soviet Moon landing program quickly unraveled. The Soviets built a landing craft and selected cosmonauts for the mission that would have placed Aleksei Leonov on the Moon's surface, but with the successive launch failures of the N1 booster in 1969, plans for a manned landing suffered first delay and then cancellation. A program of automated return vehicles was begun, in the hope of being the first to return lunar rocks. This had several failures. It eventually succeeded with Luna 16. But this had little impact, because the Apollo 11 and
76 mm gun M1 M4A1E4(76)s during the 1950s and used them in 1965 and 1971 wars. Uganda purchased a few ex-Israeli M4A1(76)W and used them during the Idi Amin regime. With British Commonwealth designations in parentheses: From 1943, at the instigation of the head of the Armored Force General Jacob Devers, US Ordnance worked on a towed anti-tank gun based on the barrel of the M1, known as "76 mm gun T2 on carriage T3". Later interest in the project declined and the program was officially cancelled in 1945. 76 mm gun M1 The 76 mm gun M1 was an American World War II–era