...a wide range of aviation programs and exploring alternative financing mechanisms. Challenges 18GAO, National Airspace System: FAA Has Made Progress but Continues to Face Challenges in Acquiring Major Traj'J'ic Control Systems, GAO-O5-;S;U lWashington, DC: June 10, 2005). v']Top Management Challenges:...

...were those at the Federal Aviation Administration. For details, see Government Accountability Office, National Airspace System: FAA Has Made Progress but...Air Traffic Control Systems, GAO-05-331 (Washington, DC: US Government Printing Office, June 2005); Leslie Miller, "FAA Projects Years Late, Over Budget,"...

...at the 34 airports. '"Ten airports that were scheduled to receive ASDE-X already had AMASS. "G AO, National Airspace System: FAA Has Made Progress but...Continues to Face Challenges in Acquiring Major Air TrafBc Control Systems, GAO-05-331 (Washington, DC: June 10, 2005). 17 GAO-06-1091T Aviation Safety...

...information technology investments — the agency needs to do more to achieve the architecture's 5GAO, The National Airspace System: FAA Has Made Progress but...Systems, GAO-05-331 (Washington, BC: June 10, 2005). full benefits. Another challenge is protecting information technology systems — an issue that has...