• Soviet pilots, with their identities carefully hidden, flew missions against U.N. forces in Korea. Several weeks after the Chinese offensive began, Stalin sent Soviet fighters disguised in Chinese colors to the Chinese side of the Korean border.
• Soviet officers not only interrogated U.S. personnel taken prisoner but a number of those U.S. POWs were transported to Russia - where many were never heard from again. Reports from Moscow say more than 200 captured U.S. airmen were questioned by the Soviet military.

Source: http://www.cnn.com/SPECIALS/cold.war/episodes/05/spotlight/

1. Why have historians found out more about Soviet involvement in the Korean War?
2. Give two pieces of evidence from the source to show how Stalin helped with the invasion of South Korea?
3. Why do you think the soviet planes were disguised?
4. How many US airmen were questioned by the Soviet military? Why do you think the Russians questioned them?

Click here for more sample questions and answers