The Defense Courier Service (DCS) is established under the United States Transportation Command (USTRANSCOM), and is a global courier network for the expeditious, cost-effective, and secure distribution of highly classified and sensitive material. Operational control of global courier activities is exercised through USTRANSCOM's Defense Courier Division (TCJ3-C). The division oversees and synchronizes activity of 18 courier stations worldwide to service over six thousand accounts. Major accounts include the White House, the Department of Defense, the State Department, other federal agencies, authorized government contractors, and allied nations.