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
Fourth Department of the General Staff Headquarters Department commissars, like other GSD department heads, are likely equivalent in rank to a Group Army Commander. In his book, James Mulvenon mentions the Joint Campaign Command Headquarters, which may take wartime responsibilities from 4PLA and may be organized into multiple “centers” that would direct and coordinate IW operations. These centers include comprehensive planning, electronic countermeasures, network warfare, information system defense, information security and secrecy, weapons and equipment support, and comprehensive support. One of the centers that Mulvenon mentions in detail is the Information Countermeasures Center, which he suggests 4PLA would have some involvement in. This center is composed of members