<Li> 5th Battalion, 5th Cavalry Regiment </Li> <Li> 2nd Brigade: <Ul> <Li> HHC, 2d Brigade </Li> <Li> 3d Battalion, 8th Cavalry Regiment </Li> <Li> 4th Battalion, 8th Cavalry Regiment </Li> <Li> 4th Battalion, 18th Infantry Regiment </Li> </Ul> </Li> <Ul> <Li> HHC, 2d Brigade </Li> <Li> 3d Battalion, 8th Cavalry Regiment </Li> <Li> 4th Battalion, 8th Cavalry Regiment </Li> <Li> 4th Battalion, 18th Infantry Regiment </Li> </Ul> <Li> HHC, 2d Brigade </Li>

How many tanks in a us armored division