Gary Powers and the U-2 Incident
How the bringing down of a U-2 spy plane in 1960 had a negative impact on American-Soviet relations.
americanhistory.about.com/library/weekly/aa061801a.htm
May-July 1960: The U-2 Airplane Incident
Details of the unarmed reconnaissance plane piloted by Francis Gary Powers that was shot down over the former Soviet Union.
www.fas.org/irp/imint/doc_u2/frus_x1_147.htm