what state is the pentagon
The Pentagon is the headquarters of the United States Department of Defense, located in Arlington County, Virginia. As a symbol of the U.S. military, the Pentagon is often used metonymically to refer to the U.S. Department of Defense. The Pentagon was designed by American architect George Bergstrom (1876â1955), and built by general contractor John McShain of Philadelphia. Ground was broken for construction on September 11, 1941, and the building was dedicated on January 15, 1943.