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The dataset depicts the authoritative locations of the most commonly known Department of Defense (DoD) sites, installations, ranges, and training areas world-wide. These sites encompass land which is federally owned or otherwise managed. This dataset was created from source data provided by the four Military Service Component headquarters and was compiled by the Defense Installation Spatial Data Infrastructure (DISDI) Program within the Office of the Assistant Secretary of Defense for Sustainment. Only sites reported in the FY 2019 BSR or released in a map supplementing the Foreign Investment Risk Review Modernization Act of 2018 (FIRRMA) Real Estate Regulation (31 CFR Part 802) were considered for inclusion. This list does not necessarily represent a comprehensive collection of all Department of Defense facilities. For inventory purposes, installations are comprised of sites, where a site is defined as a specific geographic location of federally owned or managed land and is assigned to military installation. DoD installations are commonly referred to as a base, camp, post, station, yard, center, homeport facility for any ship, or other activity under the jurisdiction, custody, control of the DoD.
While every attempt has been made to provide the best available data quality, this data set is intended for use at mapping scales between 1:50,000 and 1:3,000,000. For this reason, boundaries in this data set may not perfectly align with DoD site boundaries depicted in other federal data sources. Maps produced at a scale of 1:50,000 or smaller which otherwise comply with National Map Accuracy Standards, will remain compliant when this data is incorporated. Boundary data is most suitable for larger scale maps; point locations are better suited for mapping scales between 1:250,000 and 1:3,000,000.
If a site is part of a Joint Base (effective/designated on 1 October, 2010) as established under the 2005 Base Realignment and Closure process, it is attributed with the name of the Joint Base. All sites comprising a Joint Base are also attributed to the responsible DoD Component, which is not necessarily the pre-2005 Component responsible for the site.
The dataset depicts the authoritative locations of the most commonly known Department of Defense (DoD) sites, installations, ranges, and training areas world-wide. These sites encompass land which is federally owned or otherwise managed. This dataset was created from source data provided by the four Military Service Component headquarters and was compiled by the Defense Installation Spatial Data Infrastructure (DISDI) Program within the Office of the Assistant Secretary of Defense for Energy, Installations and Environment, Business Systems and Information Directorate. Sites were selected from the 2015 Base Structure Report (BSR), a summary of the DoD Real Property Inventory. This list does not necessarily represent a comprehensive collection of all Department of Defense facilities. For inventory purposes, installations are comprised of sites, where a site is defined as a specific geographic location of federally owned or managed land and is assigned to military installation. DoD installations are commonly referred to as a base, camp, post, station, yard, center, homeport facility for any ship, or other activity under the jurisdiction, custody, control of the DoD.
While every attempt has been made to provide the best available data quality, this data set is intended for use at mapping scales between 1:50,000 and 1:3,000,000. For this reason, boundaries in this data set may not perfectly align with DoD site boundaries depicted in other federal data sources. Maps produced at a scale of 1:50,000 or smaller which otherwise comply with National Map Accuracy Standards, will remain compliant when this data is incorporated. Boundary data is most suitable for larger scale maps; point locations are better suited for mapping scales between 1:250,000 and 1:3,000,000.
If a site is part of a Joint Base (effective/designated on 1 October, 2010) as required under the 2005 Base Realignment and Closure process, it is attributed with the name of the Joint Base. All sites comprising a Joint Base are also attributed to the responsible DoD Component, which is not necessarily the original Component responsible for the site.
The dataset depicts the authoritative locations of the most commonly known Department of Defense (DoD) sites, installations, ranges, and training areas world-wide. These sites encompass land which is federally owned or otherwise managed. This dataset was created from source data provided by the four Military Service Component headquarters and was compiled by the Defense Installation Spatial Data Infrastructure (DISDI) Program within the Office of the Assistant Secretary of Defense for Energy, Installations, and Environment. Only sites reported in the FY 2020 BSR or released in a map supplementing the Foreign Investment Risk Review Modernization Act of 2018 (FIRRMA) Real Estate Regulation (31 CFR Part 802) were considered for inclusion. This list does not necessarily represent a comprehensive collection of all Department of Defense facilities. For inventory purposes, installations are comprised of sites, where a site is defined as a specific geographic location of federally owned or managed land and is assigned to military installation. DoD installations are commonly referred to as a base, camp, post, station, yard, center, homeport facility for any ship, or other activity under the jurisdiction, custody, control of the DoD.
While every attempt has been made to provide the best available data quality, this data set is intended for use at mapping scales between 1:50,000 and 1:3,000,000. For this reason, boundaries in this data set may not perfectly align with DoD site boundaries depicted in other federal data sources. Maps produced at a scale of 1:50,000 or smaller which otherwise comply with National Map Accuracy Standards, will remain compliant when this data is incorporated. Boundary data is most suitable for larger scale maps; point locations are better suited for mapping scales between 1:250,000 and 1:3,000,000.
If a site is part of a Joint Base (effective/designated on 1 October, 2010) as established under the 2005 Base Realignment and Closure process, it is attributed with the name of the Joint Base. All sites comprising a Joint Base are also attributed to the responsible DoD Component, which is not necessarily the pre-2005 Component responsible for the site.
Installations in Maryland where Joint Land Use Studies (Compatible Use Studies) have been completed, including links to respective documents. Last updated: 03/01/2023
This dataset depicts the extents of Slow Speed Low Altitude Military Training Routes (SR) from Cycle 1806 (24-MAY-18 to 20-JUN-17). It was created from processing / converting linear DAFIF (Digital Aeronautical Flight Information File) GIS source files gathered from NGA’s NIPRNet to convert the dataset from line to polygon formats with original / source attribution included per segment. It was created and compiled by the Defense Installations Spatial Data Infrastructure (DISDI) Program within the Office of the Assistant Secretary of Defense for Energy, Installations and Environment, Business Systems and Information Directorate.
While every attempt has been made to provide the best available data quality, this dataset is intended for use at mapping scales 1:50,000 and 1:3,000,000. For this reason, boundaries in this dataset may not perfectly align with DoD site boundaries in other federal data sources. Maps produced at a scale of 1:50,000 or smaller which otherwise comply with National Map Accuracy Standards will remain compliant when this data is incorporated. Boundary data is most suitable for larger map scales.
This dataset depicts the extents of IFR Military Training Routes (IR) from Cycle 1806 (24-MAY-18 to 20-JUN-17). It was created from processing / converting linear DAFIF (Digital Aeronautical Flight Information File) GIS source files gathered from NGA’s NIPRNet to convert the dataset from line to polygon formats with original / source attribution included per segment. It was created and compiled by the Defense Installations Spatial Data Infrastructure (DISDI) Program within the Office of the Assistant Secretary of Defense for Energy, Installations and Environment, Business Systems and Information Directorate.
While every attempt has been made to provide the best available data quality, this dataset is intended for use at mapping scales 1:50,000 and 1:3,000,000. For this reason, boundaries in this dataset may not perfectly align with DoD site boundaries in other federal data sources. Maps produced at a scale of 1:50,000 or smaller which otherwise comply with National Map Accuracy Standards will remain compliant when this data is incorporated. Boundary data is most suitable for larger map scales.
This layer depicts the boundary of the Middle Chesapeake Sentinel Landscape. The Middle Chesapeake Sentinel Landscape is one of ten Sentinel Landscapes across the country (as of FY21). Sentinel Landscapes are areas in which natural and working lands are well suited to protect defense facilities from land use that is incompatible with the military’s mission. Sentinel Landscape designation connects private landowners with voluntary state and federal assistance programs that offer loans, educational opportunities, financial and technical assistance, and funding for conservation easements.
This layer depicts locations of all Readiness and Environmental Protection Integration (REPI) projects in the state. The REPI program protects military readiness by preventing incompatible development along the installation’s borders and protects sensitive environmental natural resources. Find more information about each project in the linked fact sheet.
The Atlantic Warning Area covers over 35,000 square miles across the Atlantic Ocean, including both the air and sea space. This vast area supports a wide variety of DoD training requirements, as well as other research, development, testing, and evaluation, including munitions deployment and flight-testing.
Airspace designated for hazardous military activities, such as live weapons training. All aircraft not associated with these activities are restricted from entry. This layer is a member of the "Military" feature dataset, which contains layers related to military installations and flight training areas in the state of Maryland. Data source: Military Aviation and Installation Assurance Siting Clearinghouse website (https://www.acq.osd.mil/dodsc/about/maps.html) Last updated: 2020. Recommended data update schedule: yearly Contacts sources: websites for the military installation to which each restricted area belongs. Recommended to check for updates when checking for new restricted area data, approximately yearly.
Airspace designated for hazardous military activities, such as live weapons training. All aircraft not associated with these activities are restricted from entry. This layer is a member of the "Military" feature dataset, which contains layers related to military installations and flight training areas in the state of Maryland. Data source: Military Aviation and Installation Assurance Siting Clearinghouse website (https://www.acq.osd.mil/dodsc/about/maps.html) Last updated: 2020. Recommended data update schedule: yearly Contacts sources: websites for the military installation to which each restricted area belongs. Recommended to check for updates when checking for new restricted area data, approximately yearly.
Areas surrounding military runways that must be kept clear of objects that could damage an aircraft. This layer is a member of the "Military" feature dataset, which contains layers related to military installations and flight training areas in the state of Maryland.
Joint Base Andrews conducts low-level helicopter training operations across areas in southern Maryland and northern Maryland including along the Potomac River.
There are three separate low-level flight areas associated with training at NAS Patuxent River, two of which are in Maryland – East Helicopter Operating Area and West Helicopter Operating Area. Both low-level flight areas cover a broad area of land across Calvert County, Dorchester County, St. Mary’s County, and Wicomico County in which NAS Patuxent River conducts low-level flight training operations with rotary-wing and some fixedwing aircraft.
Some military flight training is conducted at altitudes below 10,000 feet above mean sea level, and sometimes even below 200 feet AGL. For example, nap-of-the-earth training exercises include aircraft flying just above ground level or tree line using terrain-following sensors to avoid radar detection. Due to the low altitudes and speeds of the aircraft, these training missions are conducted within designed low-level flight areas to avoid collisions with civilian aircraft. However, the development of tall structures can interfere with and create hazards for aircraft conducting low-level flight training.
Military testing areas include firing and bombing ranges where the DoD tests weapons systems and equipment, which include releasing ordnance and other projectiles from aircraft, watercraft, as well as from land-based artillery. These areas can be particularly hazardous for development as some weapons systems and ordnance being tested can contain live ammunition and explosives.
The Aerial Firing/Weapons Separation Testing Area is within the Atlantic Test Range – Inner Range and over the Chesapeake Bay in which the DoD evaluates discharge characteristics from weapons and other equipment off aircraft.
Military testing areas include firing and bombing ranges where the DoD tests weapons systems and equipment, which include releasing ordnance and other projectiles from aircraft, watercraft, as well as from land-based artillery. These areas can be particularly hazardous for development as some weapons systems and ordnance being tested can contain live ammunition and explosives.