1 RNT was one of the original units utilised in this era to develop the mechanization of a conventional force for the SADF under typical South African conditions.

In 1969, the regiment was split into two battalions 1RNT and 2 RNT [1] In 1975, 1RNT re-mustered to a reserve mechanised infantry unit and took part in the South African Border War in Namibia and at home in counter insurgency operations.

[1] 1RNT stayed involved in that conflict to the end, taking part in Operations Moduler, Hooper, Packer and Prone in 1987-8.

2RNT also played a key role in Operation JAMBU in Katlahong / Vosloorus over the election period in 1994, when peace and stability was ensured in the Witwatersrand.

In August 2019, 52 Reserve Force units had their names changed to reflect the diverse military history of South Africa.