The Centurion, introduced in 1945, was the primary British main battle tank of the post-World War II period. It was a successful tank design, with upgrades, for many decades. The chassis was also adapted for several other roles.In 1967, the Royal Australian Armoured Corps (RAAC), 1st Armoured Personnel Carrier (APC) Squadron transferred to "A" Squadron, 3rd Cavalry Regiment Vietnam. Although they successfully conducted combat operations in their areas of operations, reports from the field stated that their light-armour M-113 ACAVs) were unable to force their way through dense jungle limiting their offensive actions against enemy forces. The Australian government, under criticism from Parliament, decided to send a squadron of Australian Centurion tanks to South Vietnam. The 20-pdr armed Australian Centurions of C Squadron, 1st Armoured Regiment landed in the Republic of Vietnam (South Vietnam) on 24 February 1968, and were headquartered at Nui Dat in III Corps (MR3).