 3 RAR took over the defences on Hill 355 on 28 December 1952 and remained there until the 1st Commonwealth Division went into reserve at the end January 1953.On 21 March, 1 RAR was replaced in Korea by the 2nd Battalion, Royal Australian Regiment (2 RAR), after nearly twelve months operational service.Heavy fighting occurred in March, with the PVA moving back over to a limited offensive in the US I Corps sector, in an attempt to regain the initiative following the winter.