|Location:||Arlington County, Virginia, United States|
|Units:|| United States Army|
United States Navy
United States Air Force
|Activated:||January 15th, 1943|
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The Pentagon is the headquarters of the United States Department of Defense, located in Arlington County, Virginia. It is composed of 5 concentric rings lettered from A to 5 inward. Each ring has 5 above ground floors and 2 below. In addition to the Military Headquarters for the the United States of America it has been the primary headquarters of the Office of Homeworld Security and then Homeworld Command. With Homeworld Command moving it's headquarters location to Vandenberg Air Force Base, California the the Stargate Special Operations Command has taken up the old Homeworld Command section as their Headquarters in the Pentagon.
In the mid-2000s, technologies gathered from around the Pegasus Galaxy and Milky Way Galaxy were integrated into the compound when the Office of Homeworld Security and later Homeworld Command were based here. These include, but are not limited to: