North Korean Allies                                               South Korean Allies

Soviet Union                                                                                                                                         UN
 China                                                                                                                                                       U.S.       
Other nations were involved for medical usage only                                            Other nations involved for medical use       

United Nations

Country                         Army                                            Navy                                                                                  

Australia                                                           2 infantry battalions (300-1300 men)                                 9 naval vessels       

Belgium                                                             1 infantry battalion                                                                       None 

Canada                                                               1 infantry battalion                                                                       8 naval vessels 

Ethiopia                                                            1 infantry battalion                                                                        None   

France                                                                1 infantry battalion                                                                       1 naval vessel

Greece                                                               1 infantry battalion                                                                       None

Netherlands                                                    1 infantry battalion                                                                       6 navel vessels            

New Zealand                                                   1 artillery regiment                                                                       4 navel vessels  

Philippines                                                       1 battalion combat team                                                             None

South Africa                                                    15 soldiers attached to British ground forces                    None

Thailand                                                            1 infantry battalion                                                                        4 navel vessels  

Turkey                                                               1 infantry brigade                                                                            None 

United Kingdom                                             2 infantry brigades                                                                         50 navel vessels