National Coordination Office for Space-Based Positioning, Navigation, and Timing

PNT logo The National Coordination Office (NCO) is the permanent staff of the National Executive Committee for Space-Based Positioning, Navigation, and Timing (PNT). Learn about the committee

It is a central resource within the government for GPS policy information.


The National Coordination Office is responsible for collecting GPS-related information from multiple federal agencies to support the operations of the National Executive Committee, including interagency coordination, consensus development, and issue resolution.

The office maintains the Five-Year National Plan for Space-Based PNT and assesses its implementation by the member agencies.

The office organizes meetings of the National Executive Committee and its Executive Steering Group. The office tracks the implementation of tasks and working groups established by those bodies.
Learn about the working groups

The office maintains the website as the central pillar of the U.S. GPS outreach campaign. It also develops and disseminates other GPS educational materials.
Learn more

The charter of the National Executive Committee provides more detail on the office's responsibilities and functions.
View charter

Operational Support

The Department of Commerce (DOC) serves as the host of the National Coordination Office, providing office space, equipment, information technology services, financial and contract management services, and other administrative support.
Learn more about DOC

The member agencies on the National Executive Committee provide the personnel on rotational assignments to the office.

The Departments of Defense (DoD) and Transportation (DOT) provide annual funding for travel, contracting, and other activities.
Learn more about DoD
Learn more about DOT


The office is led by a director and deputy director and includes a cadre of senior advisors from the National Executive Committee agencies. Currently, the director and deputy director positions are vacant.

  • Robert Crane
    Department of Homeland Security
  • Jason Kim
    Department of Commerce
    View biography
  • Ken Alexander
    Department of Transportation
  • Maj. Ben Calhoon
    Department of Defense
  • Glenn Guempel
    Department of the Interior
  • Trent Skidmore
  • Everett Hinkley
    Department of Agriculture
  • Ray Clore
    Department of State
  • Jeff Auerbach
    Department of State

The NCO staff also includes the following contractor expertise:

  • Chris Mindnich
    Legislative Liaison, Overlook Systems
  • Jim Burton
    Technical Advisor, Overlook Systems
  • Karen Thomas
    Administrative Assistant, AGS

Contact Information

The National Coordination Office is a point of contact for public inquiries and other communications regarding GPS policy.

To send comments on this website, please use the Website Feedback page. Go there

Alert icon This office does NOT provide user support for GPS devices/maps.
Find support

  • Phone: +1 (202) 482-5809
  • Email:
  • Street Address:
    National Coordination Office for Space-Based Positioning, Navigation, and Timing Herbert C. Hoover Building, Room 2518
    1401 Constitution Ave., NW
    Washington, D.C. 20230
    Get travel directions

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