 The 27th British Commonwealth Brigade was airlifted from Taegu to Kimpo Airfield north of Seoul on 5 October; however, its vehicles had to move by road, driving , and did not arrive until 9 October.It was subsequently attached to the US 1st Cavalry Division, under the command of Major General Hobart R. Gay.On 16 October the brigade took over from the US 7th Cavalry Regiment as the vanguard of the UN advance into North Korea, its axis intended to take it through Kaesong, Kumchon and Hungsu-ri to Sariwon, then through Hwangju to the North Korean capital of Pyongyang.