Soviet military forces in massed formations at Red Square, in Moscow, Russia. Joseph Stalin stands on balcony above. Scenes of rebellion in Europe and Asia. A map of Korea. June 25, 1950, war broke out between North and South Korea. Buildings burning. Refugees fleeing. View of United Nations building on East River in New York City, where American ambassador Warren Austin is speaking. View of the Capitol in Washington, DC. President Truman, speaking, committed US forces to action. US Reservists are recalled to active duty to fight in Korea. Some are seen getting off a bus at a military base reception center. Recalled reservists with full field gear, starting their journey overseas, and later seen in Korea. US tanks moving over the road manned by soldiers with World War Two experience. Numerous scenes of heavy artillery firing, mostly at night. US regular Army, National Guard, and Army reserve soldiers engaged in fire fights using tanks, artillery, mortars, and rifles. Soldiers adminster first air and assist wounded comrades. American troops slogging through rain and snow in Korea. Soldiers eating from mess kits, and reading the Stars and Stripes newspaper, during a lull in combat. North Korean officers arriving, in snow, for armistice talks. Following the truce, American soldiers are seen packed up and heading home from Korea.