United States Department of Defense United States Department of Defense The Department of Defense (DoD, USDOD, or DOD) is an executive branch department of the federal government charged with coordinating and supervising all agencies and functions of the government concerned directly with national security and the United States Armed Forces. The department is the largest employer in the world, with nearly 1.3 million active duty servicemen and women as of 2016. Adding to its employees are over 826,000 National Guardsmen and Reservists from the four services, and over 742,000 civilians bringing the total to over 2.8 million employees. Headquartered at the Pentagon in Arlington, Virginia,
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