From NBC(12/8):
Investigators still do not what happened to a Boeing 727 cargo jet that vanished from an Angolan airport in May, but they have now concluded that the jet likely ended up being given a new appearance and put to use in Africa’s thriving illegal market for planes, possibly in gun-running or narcotics smuggling, U.S. officials and aviation experts told NBC News. Click “Play Video” for Lisa Myers’ report for “NBC Nightly News.”
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http://www.msnbc.com/news/951689.asp