GPS : can we avoid a gap in service? : hearing before the Subcommittee on National Security and Foreign Affairs of the Committee on Oversight and Government Reform, House of Representatives, One Hundred Eleventh Congress, first session, May 7, 2009., by United States. Congress. House. Committee on Oversight and Government Reform. Subcommittee on National Security and Foreign Affairs

Title:	GPS : can we avoid a gap in service? : hearing before the Subcommittee on National Security and Foreign Affairs of the Committee on Oversight and Government Reform, House of Representatives, One Hundred Eleventh Congress, first session, May 7, 2009.
Author:	United States. Congress. House. Committee on Oversight and Government Reform. Subcommittee on National Security and Foreign Affairs
Note:	U.S. G.P.O. :, 2010

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Subject:	Artificial satellites in navigation -- United States
Subject:	Global Positioning System
Subject:	United States -- Armed Forces -- Procurement
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