Department of Defense Directive 4650.05 (DoDD 4650.05) Positioning, Navigation, and Timing (PNT)

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Department of Defense Directive 4650.05 (DoDD
4650.05)Positioning, Navigation, and Timing
(PNT)

• Dr. Steven Huybrechts
• Director, Space Systems
• Briefing to NPEC Advisory Board
• March 27, 2008

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Background

• DoDD 4650.5 originally published in 1981
• Assigned ASD(C3I) (now ASD(NII)/DoD CIO) overall
  responsibility for DoD Pos/Nav (now PNT) policy
  oversight
• Revisions were issued in 1990, 2003, and 2008 (as
  4650.05)
• Establishes DoD policy, procedures, and
  responsibilities for Positioning, Navigation, and
  Timing (PNT)
• Delineates specific PNT responsibilities
  expanding upon DoDD 5144.1 ASD(NII)/DoD CIO
• Most recent revision was initiated to take
  account of
• Realignments among Department organizations
• December 2004 US Space-Based Positioning,
  Navigation, and Timing Presidential Directive
• June 2006 Deputy Secretary of Defense Memorandum
  Global Positioning System (GPS)
  Responsibilities
• Responding to Defense Science Board
  recommendation for clarification of Department
  PNT oversight responsibilities

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Highlights of Major Revisions

• Designates ASD(NII)/DoD CIO as Office of the
  Secretary of Defense Principal Staff Assistant
  (OSD PSA) to oversee PNT policy and for all
  aspects of GPS
• No impact on AF authorities for GPS acquisition
  and operation
• Adds ASD(NII)/CIO responsibilities for
• Policy related to Navigation Warfare (Navwar)
• Approval/publication of Precise Positioning
  Service Performance Standard (PPS PS)
• Oversight on behalf of DoD of the interagency
  National PNT Architecture effort
• Guidance and direction for implementation of DoD
  elements
• Participation in National PNT ExCom activities
  (IAW NSPD)

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Highlights of Major Revisions (cont.)

• Adds responsibilities for new participants
• USD(I), NGA, DIA, and USSTRATCOM
• Assigns Secretary of the Navy responsibility
  (executed through USNO) for development and
  maintenance of earth orientation parameters and
  celestial reference frame
• Assigns Secretary of the Air Force responsibility
  for support to NII in radio spectrum-related
  efforts and development of PPS PS

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Associated Department of Defense Instruction
(DODI)

• Earlier versions of the Directive included PNT
  Excom and WG guidance more appropriate for an
  Instruction
• Now separated in this version
• Instructions are subordinate to Directives
  provide detailed implementation guidance
• DODI content
• Detail membership, functions, and processes of
  the DoD PNT Excom, PNT WG, and Navwar WG
• Facilitate integration with new Joint Network
  Operations (JNO) requirements process for future
  budget development/execution
• Draft now in PNT WG/Excom coordination