FIGURE 1 U.S. space-based PNT organization structure.
U.S. policy promotes global use of GPS technology:
GPS PROGRAM STATUS
GPS Constellation Status:
• 31 operational satellites (baseline constellation of 24)
— 11 GPS IIA
— 12 GPS IIR
— 7 GPS IIR-M
— 1 GPS IIF
• 3 additional satellites in residual status
• IIF SV-2 scheduled to launch in July 2011
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U.S. GPS Policy, Programs, and International Cooperation Activities--David A. Turner ."
Global Navigation Satellite Systems: Report of a Joint Workshop of the National Academy of Engineering and the Chinese Academy of Engineering . Washington, DC: The National Academies Press,
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