I n t e g r i t y - S e r v i c e - E x c e l l e n c e Headquarters U.S. Air Force I n t e g r i t y - S e r v i c e - E x c e l l e n c e Headquarters U.S. Air Force Richard McKinney European Space Liaison Munich, 19 Feb 2008 Munich Satellite Navigation Summit 2008

I n t e g r i t y - S e r v i c e - E x c e l l e n c e GPS: 30 Years and Growing GPS Has been On-Orbit for 30 Years 22 Feb 1978: First Launch of GPS Block1 Weight: 450 Kg Launch Vehicle: Atlas F First of 11 developmental (Block 1) satellites GPS is moving into its 4 th Decade of Service 2

I n t e g r i t y - S e r v i c e - E x c e l l e n c e GPS: 30 Years and Growing 14 Feb 1989: First launch of Operational Satellite (GPS II-1) Operational for 12 years GPS constellation Initial Operational Capability Declared : Dec FOC declared: July 1995 Beginning our 15 th year of Operations 3

I n t e g r i t y - S e r v i c e - E x c e l l e n c e GPS: 30 Years and Growing What happened in 2007? New Ground Control System, Architectural Evolution Plan, operational on Sept 14, 2007 Launch of IIRM-17 Oct 17, 2007 Launch of IIRM-18 Dec 20, 2007 Award of next generation ground control system (OCX) contracts, Nov 2007 In September 2007, the U.S. Government announced its decision to eliminate the Selective Availability feature from future GPS satellites Better, More Capable, More Services to the Worldwide Users of GPS 4

I n t e g r i t y - S e r v i c e - E x c e l l e n c e Modernizing the Operational Control Segment (OCS): Architecture Evolution Plan (AEP) Transitioned to the new AEP OCS (10-14 Sep 07) IIR-17(M) launched 17 Oct 07 was controlled by new system Replaced previous Command and Control System (CCS) 6 AF MSs 4 GPS GAs AMCS Navigation Signal (L-Band) 8 NGA MSs 8 AFSCN GAs C2 Signals (S-Band) NMCS Critical transition to new monitor & control network

I n t e g r i t y - S e r v i c e - E x c e l l e n c e 12 Block IIR satellites 13 Block IIA satellites 5 Block IIR-M satellites 3 additional IIR-M satellites to launch Since Dec 93, U.S. DoD met/exceeded GPS service performance commitments U.S. DoD committed to improving GPS service 30 3Healthy Satellites GPS Constellation Status & Availability as of 14 Feb Healthy Satellites 6

I n t e g r i t y - S e r v i c e - E x c e l l e n c e GPS Launch Update Most Recent Launch IIR-18(M) – 5th modernized SV Launched Wednesday, 20 Dec 07 SVN 57, PRN 29, slot C1 Set healthy on 2 Jan 08 Next Launches IIR-19(M) – Mar 08 IIR-20(M) – Jun 08 L5 demo payload IIR-21(M) – Sep 08 IIF-1 launch in

I n t e g r i t y - S e r v i c e - E x c e l l e n c e GPS: 30 Years and Growing Next 30 Years will continue to bring change and an increase in capabilities Next 10 Years will bring 2 new families of GPS satellites and new control system GPS IIF and GPS III OCX Next year will bring a new civil signal, L-5 This Year will bring the last launch of a GPS-IIRM satellite GPS will continue to improve its Capabilities 8

I n t e g r i t y - S e r v i c e - E x c e l l e n c e Summary Success in GPS sustainment & modernization New capabilities delivering enhanced performance Developments on track to enhance space and control segments GPS is an excellent global navigation utility Excellent cooperation with augmentation service providers U.S. looks forward to working with all to ensure GNSS civil systems are interoperable for the benefit of all users worldwide U.S. is continuing to modernize and improve GPS To remain the pre-eminent space-based PNT service GPS will continue to lead the future GNSS system-of-systems 9

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