Crystal City, Arlington, Virginia Crystal City, Arlington, Virginia Crystal City is an urban neighborhood in the southeastern corner of Arlington County, Virginia, south of downtown Washington, D.C. Due to its extensive integration of office buildings and residential high-rise buildings using underground corridors, travel between stores, offices, and residences is possible without going above ground; thus, a large part of Crystal City is an underground city. Crystal City includes offices of numerous defense contractors, the United States Department of Labor, the United States Marshals Service and many satellite offices for The Pentagon. It is also the location of Ronald Reagan Washington National Airport. Crystal City
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