Major General Michael Ennis was one of the rare Marine officers admitted to the Foreign Area Officer program where he became a specialist on the Soviet Union. This led to an assignment as a translator on the Washington-Moscow Hotline at the White House and then got him a license to spy in communist East Germany in the 1980s as part of the US Military Liaison Mission. Hear him tell SPY Historian Mark Stout what it’s like to penetrate a Soviet command bunker at night or be chased by a Soviet tank, and learn the intelligence value of a hunk of concrete.