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February 17, 2019, Munich, Germany: A US Air Force (USAF) Boeing C-40 (737) on the runway at Munich airport. Credit: Fabrizio Gandolfo/SOPA Images/ZUMA Wire/Alamy Live News Stock Photo - Alamy
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On what Callsign does the USAF 737-700 usually fly? - General Discussion - Microsoft Flight Simulator Forums
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File:United States Air Force (USAF) Boeing 737-700, 02-0203@ZRH,26.01.2008-494bm - Flickr - Aero Icarus.jpg - Wikimedia Commons
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