 This included being reduced to two infantry brigades, all non-cross country capable vehicles being replaced with mules, jeeps, and four-wheel drive trucks, and the field artillery either completely replaced by pack howitzers or mechanised.These changes greatly increased the off-road mobility, and the increase in pack animals allowed it to operate away from a road network for an extended period of time.The 61st Division retained its three infantry brigades, although there were changes to the divisional troops along the above lines.