The 4th Artillery Berlin Red Banner Breakthrough Corps of the RGK — (4 акп РГК) was a military formation, artillery breakthrough corps Reserve of the Supreme High Command of the Red Army during the Second World War.
The 4th Artillery Corps of the Reserve of the Supreme High Command (RVGK) was formed on April 24, 1943, and on the basis of the resolution of the State Defence Committee (GKO) of April 12 1943.
The corps' formations, units, and awards included: On 9 May 1945, at the end of the war in Europe, the corps was made up of the 5th Breakthrough Artillery Division; the 12th Breakthrough Artillery Division; the 5th Guards Mortar Division (multiple rocket launchers); the 1002nd Communications Battalion; the 821st Separate Reconnaissance Artillery Battalion; and the 2355th military postal station.
[2] The 34th Artillery Division was formed within the corps in 1945.
By that time the corps was part of the Group of Soviet Forces in Germany.