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Air traffic control systems (1 - 3 of 3 items) in Past Year

NextGen Air Transportation System

FAA Has Made Some Progress in Midterm Implementation, but Ongoing Challenges Limit Expected Benefits
GAO-13-264, Apr 8, 2013

National Airspace System

Airport-Centric Development
GAO-13-261, Mar 28, 2013

Next Generation Air Transportation System

FAA Faces Implementation Challenges
GAO-12-1011T, Sep 12, 2012