Some new graphics.
First, the theoretical British Army Armoured Infantry (1988) and Mechanised (1985) Battalions based on the Staff Officers Handbooks from their eras. Armoured Infantry were mounted in FV510 Warrior and Mechanised (Tracked) in FV432 APCs.
Second, the Soviet Motor Rifle Battalion shortly after their mechanized and tank corps were reorganized into mechanized and tank divisions in June 1945: https://www.battleorder.org/post/mrb-1945