According to the '' Wall Street Journal '' , the program is now the subject of a lawsuit alleging that " in 2007 and 2008 the company intentionally inflated costs , presented false bills , lied about progress and withheld test data from the Department of Homeland Security . " The extensive proliferation of MANPADS has resulted in many being available to non-state groups on the international arms black market , sometimes for as little as US$ 5,000 each . This has resulted in a marked increase of MANPADS attacks on commercial airliners , including the failed 2002 Mombasa airliner attack , the 2003 Baghdad DHL attempted shootdown incident and the 2007 Mogadishu TransAVIAexport Airlines Il-76 crash . According to the U.S. State Department , over 40 civilian aircraft have been hit with MANPADS since 1970 , with about 400 passengers and crewmembers killed . Of these , six were airliners
2003 Baghdad DHL attempted shootdown incident
2003 Baghdad DHL attempted shootdown incident
Northrop Grumman Guardian