FILE - A man walks past a Lockheed Martin logo as he walks through a section of the company's chalet bridging a road at Farnborough International Airshow in Farnborough, southern England, July 19, 2006. China says it has banned a number of business units of American aviation maker Lockheed Martin and three of its executives over arms deals with Taiwan, the self-ruling island it claims as its own territory. (AP Photo/Matt Dunham, File)