The Pentagon The Pentagon The Pentagon, in Arlington County, Virginia, across the Potomac River from Washington, D.C., is the headquarters of the United States Department of Defense. As a symbol of the U.S. military, the phrase "The Pentagon" is often used as a metonym for the Department of Defense and its leadership. The building was designed by American architect George Bergstrom and built by contractor John McShain. Ground was broken on September 11, 1941, and the building was dedicated on January 15, 1943. General Brehon Somervell provided the major motivating power behind the project; Colonel Leslie Groves was responsible for overseeing the
Middle Schools of Arlington County, Virginia as a junior high school in 1938 and was named after the third president of the United States. The original cornerstone was placed with George Washington's trowel. The current facility opened in 1971 and is located at 125 South Old Glebe Road in Arlington, Virginia 22204. It is built as a rectangle with three individual corridors for each grade. Upon entering the main entrance of the school, the administrative offices are to the left and the library is further down the long hall. Here, the three corridors extend themselves to another long hall in which various classrooms are located. Also,