Question: How many German scientists, engineers, and technicians, were recruited in post-Nazi Germany as a result of the clandestine operation where Arthur Rudolph became one of the main developers of the U.S. ?space program

Related documents: [0]  [DOC] Arthur Louis Hugo Rudolph (November 9, 1906 – January 1, 1996) was a German Nazi rocket engineer who was a leader of the effort to develop the V-2 rocket for Nazi Germany. After the war, the United States Government's Office of Strategic Services (OSS) brought him to the U.S. as part of the clandestine Operation Paperclip, where he became one of the main developers of the U.S. space program. He worked within the U.S. Army and NASA, where he managed the development of several systems, including the Pershing missile and the Saturn V Moon rocket. In 1984, the U.S. Government investigated him for war crimes, and he agreed to renounce his United States citizenship and leave the U.S. in return for not being prosecuted. [END] 
[1]  [DOC] 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. [END]  
Answer: more than 1,600
more than 1,600