|As the Vietnam conflict heated up Australia did what it had failed to do since WWI and mechanised the majority of their land force. This was achieved through equiping 4 through 9 RAR with M-113 FOV by adding an M-113A1, a Sergeant and a driver to each section and an M-113A1, Staff Sergeant and driver to PHQ. Each Coy gained a Support Platoon with 2 M-125 mortar carriers, 2 M-163 VADS and 2 M-551, as well as a tech support section. At Btn level a support Coy with a Platoon of M-108 SPG, a Recce PLT with M-551.
1 ARMD reorganised into The Armoured Regiment with its 3 squadrons expanded into battalions, 1 for each of to 3 two battalion brigades.
!,2 and 3 RAR would be retained as light Infantry for use in the air assault role.