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The 3rd Rifle Corps was a corps of the Soviet Red Army which saw service in World War II and in the 1950s. The corps was first formed in 1923 from the 3rd Army Corps in the Moscow Military District and fought in the Soviet invasion of Poland and the Winter War. The corps was disbanded in the summer of 1941 and its headquarters became the 46th Army. The 3rd Mountain Rifle Corps was formed in summer 1942 and fought in the Caucasus, Crimea, Dukla Pass, Carpathia and at Prague. The corps was retained in the Soviet Army postwar and moved to Uzhhorod. The corps fought in the Soviet invasion of Hungary and was disbanded there in 1957. Its headquarters was absorbed by the 38th Army.
The 3rd Mountain Rifle Corps was ordered to form on 7 June 1942 as part of 46th Army with headquarters in Sukhumi. It included the 20th Mountain Rifle Division, 394th Rifle Division, 63rd Cavalry Division and the Sukhumi Infantry School. The corps was tasked with the defense of the Black Sea coast and the Caucasian passes.
In November 1954, the 3rd Mountain Rifle Corps became the 3rd Rifle Corps. In November 1956, the corps took part in the Soviet invasion of Hungary. Its headquarters moved to Székesfehérvár during the invasion. The corps disbanded in Hungary on 21 July 1957, its headquarters being absorbed by HQ 38th Army.
Feskov, V.I.; Golikov, V.I.; Kalashnikov, K.A.; Slugin, S.A. (2013). Вооруженные силы СССР после Второй Мировой войны: от Красной Армии к Советской [The Armed Forces of the USSR after World War II: From the Red Army to the Soviet: Part 1 Land Forces] (in Russian). Tomsk: Scientific and Technical Literature Publishing. ISBN9785895035306.