The UK supplied troops and equipment to fight for the UN alongside US, Canada, Australia, New Zealand, Turkey and others.
The Korean War (Korean Conflict)
theres no until.... South Korea won the war.
north
South Koreans.
The UK, in every conflict in which it has been involved, has been on the side of the UK.
Not either side win
South Korea
Italy gave medical aid to the South Korean side.
North Korea's side
The Soviet Union and China backed North Korea. UN Forces initially under the command of McArthur supported the South Korean Government (US, UK, Austrailia, Canada).
The Soviets supported North Korea while The U.S. supported South Korea.
UN-United Nations