Operation Overcast

Operation Paperclip was a secret program of the Joint Intelligence Objectives Agency (JIOA) in which more than 1,600 German scientists, engineers, and technicians, such as Wernher von Braun and his V-2 rocket team, were recruited in post-Nazi Germany and taken to the U.S. for government employment, at the end of World War II; many were members and some were leaders of the Nazi Party.

The primary purpose for Operation Paperclip was U.S. military advantage in the Russo–American Cold War, and the Space Race. The Soviet Union were more aggressive in recruiting some 2,000 German scientists with Operation Osoaviakhim during one night.

The Joint Chiefs of Staff (JCS) established the first secret recruitment program, called Operation Overcast, on July 20, 1945, initially "to assist in shortening the Japanese war and to aid our postwar military research". The term "Overcast" was the name first given by the German scientists' family members for the housing camp where they were held in Bavaria. In late summer 1945, the JCS established the Joint Intelligence Objectives Agency (JIOA), a subcommmittee of the Joint Intelligence Community, to directly oversee Operation Overcast and later Operation Paperclip.

The JIOA had one representative of each member agency of the Joint Intelligence Committee: the army's director of intelligence, the chief of naval intelligence, the assistant chief of Air Staff-2 (air force intelligence), and a representative from the State Department. In November 1945, Operation Overcast was renamed Operation Paperclip by Ordnance Corps (United States Army) officers, who would attach a paperclip to the folders of those rocket experts whom they wished to employ in America.President Truman formally approved Operation Paperclip and expanded it to include one thousand German scientists in a secret directive, circulated on September 3, 1946.

Nazi Germany found itself at a logistical disadvantage, having failed to conquer the USSR with Operation Barbarossa (June–December 1941), the Siege of Leningrad (September 1941 – January 1944), Operation Nordlicht ("Northern Light", August–October 1942), and the Battle of Stalingrad (July 1942 – February 1943). The failed conquest had depleted German resources, and its military-industrial complex was unprepared to defend the Großdeutsches Reich (Greater German Reich) against the Red Army's westward counterattack. By early 1943, the German government began recalling from combat, a number of scientists, engineers, and technicians; they returned to work in research and development to bolster German defense for a protracted war with the USSR. The recall from frontline combat included 4,000 rocketeers returned to Peenemünde, in northeast coastal Germany.

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