Individual Program Reviews

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GPS Space and ControlOverview

• Accomplishments/Challenges/Way Ahead
• Block IIR/IIR-M Satellites
• Block IIF Satellites
• Control Segment

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Block IIR/IIR-M Satellite Description

• Post Modernization
• Modernized Signals Similar Power
• L1, L2 C/A, L2C
• L1, L2 P(Y)
• L1, L2 M-Code
• Design Life
• 10 Years
• 3 Rubidium Clocks
• IIR-M Satellites 14-21

• Pre Modernization
• Heritage Signals
• L1, C/A
• L1, L2 P(Y)
• Design Life
• 10 Years
• 3 Rubidium Clocks
• IIR Satellites 1-11

EARLY IMPROVED SECURITY ANTI-JAM
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Constellation Health/Status

• CURRENTLY 28 OPERATIONAL SATELLITES
• 3 Block IIs SVN13 Launched June 1989
• Oldest Operational Satellite
• 17 Block IIAs
• 8 Block IIRs
• Next Mission IIR-10 on 17 Oct 03
• 1st Block IIR with Enhanced Antenna Panel

First IIR-M Still Scheduled For July 04
Launch M-Code/Flex Power
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Constellation Average Peak ERD
As of 22 Aug 03
G
O
O
D








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IIR/IIR-M Accomplishments

• IIR-M Technical Baseline Negotiated
• Tail-biting Convolutional Encoding
• Flex Power
• Security Requirements Established
• SAASM ICD Updated
• Missions IIR-8 and IIR-9 Launched100
  Successful
• IIR-9 Set Healthy In Record Time To Support
  Operation Iraqi Freedom

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IIR/IIR-M Acquisition Approach

• Best Commercial Practices Vice Full Mil-Spec
• JPO Manpower DownsizedOversight Vice Insight
• No Formal FCA/PCALess DMCA Direct Review
• Concurrent Development and Production Schedule
  Success Oriented
• Assumed Security Approvals on Schedule
  JPO/Contr

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IIR/IIR-M Industry Results

• PMPCB Parts Issues Overwhelming
• Tin Whiskers
• DC-DC Converter Capacitors
• Transmitter Driver Boards
• Schedule Concurrency Driving Decision Making
• Placeholders In Qual Units, Work-arounds
  Abound
• Pathfinder Vehicle At Cape
• Aurora of a High Risk Development Program

Team Needs to Step Up To The Challenge
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IIR/IIR-M Challenges

• 1st IIR-M Launch (Jul 04) In Jeopardy
• Parts Problems Continuing
• Antenna Panel Passive Inter-Modulation (PIM)
• Three (3) Panels Currently Qualified Others
  Experiencing PIM Phenomenon
• Root Cause Not Completely Understood Much Work
  To Do
• Timely Replenishment Of Aging Force
• OPS Tempo High 5 Launches Scheduled In FY04, 4
  In FY05
• Fly Out of Block IIR in FY06
• Final IIR-M Satellite Currently Without A
  Booster
• Working Options To Include EELV

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IIR/IIR-M Way Ahead

• Execute Re-planned Schedule To Protect 1st IIR-M
  Flight In Jul 04
• No Margin Remaining Requires Contractor
  Dedication
• Antenna Panel Passive Inter-Modulation (PIM)
• Panel For 1st IIR-M In Testing PIM Issues Being
  Worked
• Constellation Sustainment
• IIR-10 On Schedule For 31 Oct Launch IIR-11 On
  15 Jan 04
• Three Additional Launches in 2004

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Block IIF Satellite Description

• Post Modernization
• Modernized Signals Similar Power
• L1 C/A, L2C
• L1, L2 P(Y)
• L1, L2 M-Code
• L5 New Civil Signal
• Design Life
• 12 Years
• 2 Rubidium and 1 Cesium Clocks
• 12-16 Satellite Production Run

• Pre Modernization
• Heritage Signals
• L1, L2 C/A
• L1, L2 P(Y)
• Design Life
• 15 Years
• 1 Rubidium and 3 Cesium Clocks
• 33 Satellite Production Run

IMPROVED ACCURACY, SECURITY ANTI-JAM
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IIF Accomplishments

• Production began on first 3 Space Vehicles - Nov
  02
• Modernization Changes
• Development Definitized - Nov 02
• Production Negotiations completed - Jun 03
• Flex Power development started - Mar 03
• Basic Contract Settlement - May 03
• Antenna test site selected - May 03
• Launch Site preparations at Cape Canaveral
• 14 of 40 Component FCA/PCA conducted to date

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IIF Challenges

• M-Code
• Facility and Security Clearance Delays
• Protracted Specification Definitization
• Schedule delays for Navigation Data Unit and L
  Band Test Set
• Growing Costs
• Subcontractor Performance Rate Growth
• Additional costs for Navigation Payload, Assembly
  Integration Test (AIT), Program Management,
  System Engineering
• Parts Obsolescence Issues for Space Vehicles
  13-15
• Single Board Computer, Spacecraft Processor,
  Combined Earth sensor, Rate Gyro Package, Remote
  Multiplexer Unit, Power Regulating Equipment
• Diminishing Parts Manufacturing Sources
• Rubidium Clocks

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IIF Way Ahead

• M-Code
• Working closely with JPO program protection
• Modified schedule to maintain first IIF delivery
• Growing Costs
• Government preparing budget unfunded requirements
• Parts Obsolescence Issues for Space Vehicles
  13-15
• Identifying potential obsolete parts
• Qualify replacement parts FY05-06
• Diminishing Parts Manufacturing Sources
• Planning to purchase additional Rubidium clocks
  to maintain industrial base

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Control Segment Description

• Post Modernization
• Upgrade Schedule
• IIR-M Upgrade for Legacy
• Delivery Oct 03
• Version 5
• 300 KSLOC
• Incremental Deliveries beginning Feb 03/Ops Jan
  05
• M-Code Test Only
• 20KSLOC of simulator changes
• Version 6
• 184 KSLOC
• M-MSRE h/w upgrades
• Provide M-Code Capability
• Delivery Sep 05/Ops Mar 07

• Pre Modernization
• AEP Upgrade Schedule
• Version 3/4
• 1402 KSLOC
• Delivery Sep 01
• Version 5
• 269 KSLOC
• Single DeliverySep 03/Ops
• Jan 05
• High Risk
• Version 6
• Size 34 KSLOC
• Delivery Sep 05/Ops Mar 07
• Version 7 (option)
• Size 102 KSLOC
• Delivery Sep 07/Ops Mar 09

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Control Segment Accomplishments

• Launch, Anomaly and Disposal Ops (LADO)
• - Successfully shadowed IIR-8 and IIR-9 launches
  using prototype system at CERES (Jan 03 and Mar
  03)
• - Completed SRR (Feb 03), PDR (Apr 03), and CDR
  (Jun 03)
• - Finished installing LADO Primary hardware
  install in Mod 11 (Aug 03)
• Architectural Evolution Plan (AEP)
• - Successfully ran OCS V3/4 Operational User
  Evaluation (OUE) at Schriever AFB in the GPS
  Support Facility (Feb 03)
• - Completed OCS V5.0 Formal Qual Testing exactly
  as scheduled with 94.6 of all requirements
  passing (Mar 03)
• - Finished Control Segment Integrated Baseline
  Review (IBR) (Apr 03)
• - Held Control Segment In-Process Design
  Review (IPDR) and Independent Program Baseline
  Review (IPBR) (Jun 03)
• - Put Modernized Monitor Station Receive
  Element (MMSRE) and IIR SAASM on contract (Jul
  03)
• - Concluded Level 2 Confidence Test for OCS V5.0
  (Aug 03)

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Control SegmentChallenges

• - Launch, Anomaly and Disposal Ops (LADO)
• Finish facilities/fit-up for both LADO Space Ops
  Centers
• Define need for geographically-separated LADO
  backup facility
• - Architectural Evolution Plan (AEP)
• Complete OCS V5.2 Code and Unit Test on schedule
• Incorporate last-minute user operational
  requirements/tools into V5.2
• Put lower-risk Transition CONOP in place
• Many requests to incorporate new community
  requirements
• Civil Monitoring, M-code, Flex Power, NIMA
  interfaces
• Significant resource contention for Development,
  Testing, Training, Tech Order Verification,
  Interface checkout
• General Issues
• Funding for new community requirements
• Security regulations/instructions are changing in
  the middle of acquisition
• Getting comms and cryptographic equipment
  installed by need dates

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Control SegmentWay Ahead

• Launch, Anomaly and Disposal Ops (LADO)
• Finish building out both LADO Space Ops Centers
  (Oct 03)
• Definitize LADO Cleanup Proposal (Nov 03)
• Complete software development on II/IIA/IIR
  Release (Jan 04)
• End FQT on II/IIA/IIR Release (May 04)
• Complete II/IIA/IIR System Test (Aug 04)
• Architectural Evolution Plan (AEP)
• Complete OCS V5.2 Code and Unit Test (Oct 03)
• Put Cleanup AEP Proposal, OCS V5.2 Flex Power
  requirements, NISPOM Compliance, MMSRE Civil
  Monitoring, Enhanced Phased Ops Transition, and
  T.O. Verification on contract (on or before Dec
  03)
• Finish OCS V5.0 Level 1 Confidence Test (Dec 03)
• Conclude OCS V5.2 Integration and Test (Jan 04)
• Complete OCS V5.5 Requirements Analysis (Apr 04)
• Deliver OCS V5.2 software (Aug 04)

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GPS Space and Control Way Ahead

• Continue to sustain existing GPS constellation
• Next IIR launch expected in Oct 03
• Complete IIR-M and IIF development
• Needed for constellation sustainment
• 1st IIR-M Launch now scheduled for Jul 04
• 1st IIF Launch no earlier than Mar 05
• Deliver LADO and OCS V5.2
• Get off of AFSCN Command Control System by Oct
  04
• Ready Control Segment for 1st IIF launch
• Continue to Evolve Control Segment
• Deliver SAASM capability in OCS V5.5 and Flex
  Power in OCS V6