The Forgotten 500: The Untold Story of the Men Who Risked All for the Greatest Rescue Mission of World War II: The Untold Story of the Men Who Risked All ... the GreatestRescue Mission of World War II

During a bombing campaign over Romanian oil fields, hundreds of American airmen were shot down in Nazi-occupied Yugoslavia.

Local Serbian farmers and peasants risked their own lives to give refuge to the soldiers while they waited for rescue, and in 1944, Operation Halyard was born.