In 2003 FedEx Express partnered with the Department of Homeland Security and Northrop Grumman to develop and flight test an anti-missile system , the Northrop Grumman Guardian . It is intended that this system could be deployed on commercial airliners to protect them from terrorist attacks such as the 2003 Baghdad DHL attempted shootdown incident . FedEx supplied an MD-11 and a leased 747 for the flight test phase
2003 Baghdad DHL attempted shootdown incident
2003 Baghdad DHL attempted shootdown incident
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