Far side of the Moon side visible to Earth. On October 7, 1959, the Soviet probe Luna 3 took the first photographs of the lunar far side, eighteen of them resolvable, covering one-third of the surface invisible from the Earth. The images were analysed, and the first atlas of the far side of the Moon was published by the USSR Academy of Sciences on November 6, 1960. It included a catalog of 500 distinguished features of the landscape. A year later, the first globe (1:13 600 000 scale ) containing lunar features invisible from the Earth was released in the USSR, based on images from
76 mm divisional gun M1902 Canon de 75 modèle 1897. The USSR continued mass production of M1902 gun until 1931 when it was replaced by its enhanced M1902/30 variant. For Soviet modernization see 76 mm divisional gun M1902/30. Both variants were utilized in the early stages of World War II. There were still 2066 guns of M1902 model available in 1941. The Soviet stockpiles of 76 mm ammunition for this gun were so large that the Soviet army decided to retain the 76 mm caliber ammunition for their modern field guns designed in the 1930s (F-22, USV and ZiS-3), even as other armies changed to