Arlington County, Virginia Court, is the only other President buried at Arlington. Other frequently visited sites near the cemetery are the U.S. Marine Corps War Memorial, commonly known as the "Iwo Jima Memorial", the U.S. Air Force Memorial, the Women in Military Service for America Memorial, the Netherlands Carillon and the U.S. Army's Fort Myer. The Pentagon in Arlington is the headquarters of the United States Department of Defense. It was dedicated on January 15, 1943 and it is the world's largest office building. Although it is located in Arlington, the United States Postal Service requires that "Washington, D.C." be used as 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