Based on the newly-released book 'The Polar Bear Expedition' by historian James Carl Nelson, 'When America Invaded Russia,' tells the often forgotten story of our country’s year-long battle with Russia, and pays tribute to the brave soldiers who lost their lives as a result.

Based on the newly-released book 'The Polar Bear Expedition' by historian James Carl Nelson, 'When America Invaded Russia,' tells the often forgotten story of our country’s year-long battle with Russia and pays tribute to the brave soldiers who lost their lives as a result.