FILE - In this Feb. 10, 2009 file photo, Air Force KC-135 planes are seen on the tarmac at Andrews Air Force Base. After more than 50 years as the military's gas station in the sky _ and a decade of ... more 
FILE - In this Feb. 10, 2009 file photo, Air Force KC-135 planes are seen on the tarmac at Andrews Air Force Base. After more than 50 years as the military's gas station in the sky _ and a decade of attempts to replace it _ the KC-135 is showing its age. The long-standing competition worth tens of billions of dollars to build the new Air Force refueling tanker has become entangled in a glitch after the Air Force late Friday Nov. 19, 2010 confirmed mistakenly providing the rival companies, Boeing and EADS, sensitive information that contained each other's confidential bid. less 
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Associated Press | Photo By Pablo Martinez Monsivais, file
Sat, Nov 20, 2010 6:07 AM EST