When formed the brigade had 5,982 personnel on September 15, of whom 37.8 percent were Communist Party members or Komsomols. It was also assigned to the 6th Rifle Corps and moved with it to Kalinin Front. Once assembled the Corps consisted of the 150th Rifle Division and the 74th, 75th, 78th and 91st Rifle Brigades; prior to the start of Operation Mars it was transferred to the 41st Army, still in Kalinin Front.