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WASHINGTON, DC - MAY 19:  Defense Undersecretary for Acquisition, Technology, and Logistics Ashton Carter testifies during a hearing before the Senate Armed Services Committee May 19, 2011 on Capitol Hill in Washington, DC. The hearing was held to examine the F-35 joint strike fighter program in review of the defense authorization request for FY2012 and the future years defense program.  (Photo by Alex Wong/Getty Images)
WASHINGTON, DC - MAY 19:  Defense Undersecretary for Acquisition, Technology, and Logistics Ashton Carter testifies during a hearing before the Senate Armed Services Committee May 19, 2011 on Capitol Hill in Washington, DC. The hearing was held to examine the F-35 joint strike fighter program in review of the defense authorization request for FY2012 and the future years defense program.  (Photo by Alex Wong/Getty Images)

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