During the 1950s, the RCASC committed No. 1 and No. 2 Movement Control Groups, 54 Canadian Transport Company, 28 Motorized Ambulance Company, and 58 General Transport Company to the Korean War. In 1952, 23 Transport Company relieved 54 Transport Company, which was in-turn relieved by 56 Transport Company. 3 Transport Company was the last to serve in Korea in 1954. 4 Transport Company (previously known as 56 Transport Company and then 5 Transport Company) moved from Winnipeg to Calgary in August 1967. In June 1968, 4 Transport Company combined with elements of the static 13 Transport Company. Three months later that organization became the Transport Company of 1 Svc Bn.