The Berlin Blockade and resultant Allied airlift was one of the first major crises of the Cold War. Photograph, U.S. Navy Douglas R4D and U.S. Air Force C-47 aircraft unload at Tempelhof Airport during the Berlin Airlift, c. 1948-1949. Wikimedia, http://commons.wikimedia.org/wiki/File:C-47s_at_Tempelhof_Airport_Berlin_1948.jpg. 