Its initial divisions for Barbarossa were the 45th Infantry Division,[5] 52nd Infantry Division,[6] and 167th Infantry Division.[7] In the early days of the fighting, LIII Army Corps stayed as part of 4th Army's reserve, but assisted German advances in Belarus, including at the Battle of Białystok–Minsk, when LIII Army Corps assisted the army group's right flank at Malaryta.[8]