The 1st Belorussian Front, known without a numeral as the Belorussian Front between October 1943 and February 1944, was a major formation of the Red Army during World War II, being equivalent to a Western army group. The 1st Belorussian Front along with the 1st Ukrainian Front were the largest and most powerful among all Soviet fronts, as their main effort was to advance on the Nazi German capital Berlin.

The 2nd Guards Tank Army was a large military formation of the Red Army and later the Soviet Army, now part of the Russian Ground Forces of the Russian Federation.