Global Positioning System
Subtitle: challenges in sustaining and upgrading capabilities persist : report to the Subcommittee on National Security and Foreign Affairs, Committee on Oversight and Government Reform, House of Representatives
Contributors: United States. Congress. House. Committee on Oversight and Government Reform. Subcommittee on National Security and Foreign Affairs
Publisher: U.S. Govt. Accountability Office
Published: 2010
Place of publication: Washington, D.C.]
Language: eng
Format: [electronic resource] :
Number of pages: 62
Subjects: Global Positioning System; Artificial satellites in navigation; Government policy; Rules and practice; United States. Air Force; United States
Other titles: Challenges in sustaining and upgrading capabilities persist
Notes: Title from PDF title screen (GAO, viewed June 16, 2011).

"September 2010."

"GAO-10-636."

Includes bibliographical references.