 At the end of the war the remnants of the Tank Brigade formed so called Fast Group in the Prague Strategic Offensive Operation (6 May 1945 -11 May 1945) during which the Corps suffered 112 killed, and 421 wounded from a total of 48,400 personnel.The First Czechoslovak Army Corps ceased to exist shortly after the victorious end of the war.On 25 May 1945, the provisional organization of the Czechoslovak armed forces was approved, according to which there was a reorganization of the Czechoslovak army in peacetime.