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,
Construction of the Virginia approaches to Arlington Memorial Bridge of Virginia a wide easement for a new, wide road extending from the cemetery's south boundary northwest to Columbia Island. In October 1940, Congress passed legislation authorizing the War Department to purchase Washington-Hoover Airport This legislation, however, provided formal approval of the roadway easement for construction of a second Arlington Memorial Bridge approach. An unnamed sourced suggested in February 1941 that a portion of Boundary Channel near the under-construction Pentagon be filled in so that the new road did not have to use a bridge to connect to the George Washington Memorial Parkway and Arlington Memorial Bridge. The CFA asked