In 1955, the Airborne Group had 1st, 3rd, 5th, 6th and 7th Para Bns; it was redesignated in 1959 as the Airborne Brigade.
2nd Para Bn was created before Mar 1965 and 1st Abn Art Bn created sometime 1965; two more parachute battalions were authorized Nov 1965 (8th and 9th?). The six battalions in Mar 1965 were located: one in I CTZ, three in II CTZ, and two in III CTZ.
On 1 Dec 1965 all of these units grouped as the Airborne Division
11th Para Bn and 2nd and 3rd Abn Art Bns and three recon coys were created later; the ninth battalion operational at end of March 1968.
These were grouped into three brigades:
In 1974, the Airborne Division was supplemented by raising the 4th Airborne Brigade. It was operational by Jan 1975.