United States Department of Defense
The United States Department of Defense is the U.S...
, located in Arlington County
Arlington County, Virginia
Arlington County is a county in the Commonwealth of Virginia. The land that became Arlington was originally donated by Virginia to the United States government to form part of the new federal capital district. On February 27, 1801, the United States Congress organized the area as a subdivision of...
The Commonwealth of Virginia , is a U.S. state on the Atlantic Coast of the Southern United States. Virginia is nicknamed the "Old Dominion" and sometimes the "Mother of Presidents" after the eight U.S. presidents born there...
. As a symbol of the U.S. military
United States armed forces
The United States Armed Forces are the military forces of the United States. They consist of the Army, Navy, Marine Corps, Air Force, and Coast Guard.The United States has a strong tradition of civilian control of the military...
, "the Pentagon" is often used metonymically
Metonymy is a figure of speech used in rhetoric in which a thing or concept is not called by its own name, but by the name of something intimately associated with that thing or concept...
to refer to the Department of Defense rather than the building itself.
Designed by the American architect George Bergstrom
George Edwin Bergstrom was an American architect most noted for his design work on the Pentagon in Arlington County, Virginia.-Background:...
(1876–1955), and built by Philadelphia, Pennsylvania, general contractor John McShain
John McShain was a highly successful American building contractor known as "The Man Who Built Washington."...
, the building was dedicated on January 15, 1943, after ground was broken for construction on September 11, 1941.