In 1958, the squadron was expanded to a regiment Attygalle was appointed as its first Commanding Officer in the rank of Lieutenant Colonel, the 1st Reconnaissance Regiment became the core of the Ceylon Armoured Corps.
The squadron was expanded to a regiment, the 1st Reconnaissance Regiment became the core of the Ceylon Armoured Corps. This was in 1958. Attygalle was appointed as its first Commanding Officer in the rank of Lieutenant Colonel a regiment.