OER is organized into seven divisions. A matrix approach within the office allows for provision of support to each NASA Mission Directorate and for specific country or regional issues of interest to the Agency. The OER organization chart and a brief description of each organizational element follow. In addition to its personnel at NASA Headquarters in Washington, DC, OER has representatives in Russia, Europe, and Japan. OER also maintains liaison positions with the Department of Defense (DoD) in Colorado Springs, Colorado.

Space Operations Division
Supports a broad range of international and interagency policy issues for the Space Operations Mission Directorate.
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Exploration Systems and Aeronautics Research (ESAR) Division
Advances NASA’s international efforts to pioneer approaches in aeronautics research and exploration.
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Science Division
Supports a broad range of international and interagency policy issues for the Science Mission Directorate.
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Advisory Committee Management Division
Manages the operations of NASA advisory groups and staffs the NASA Advisory Council, Aerospace Safety Advisory Panel, and the National Space-Based Positioning, Navigation, and Timing Advisory Board.
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Export Control and Interagency Liaison Division
Supports all four NASA Mission Directorates through the administration of the NASA Export Control Program.
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History Division
Supports the NASA History Program that documents and preserves the Agency’s history through a variety of products.
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Resources Management Division
Supports OER’s internal operations, including budget, personnel, space planning, and administrative support for NASA’s overseas representatives and DOD liaison.
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