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'''The Pentagon''' is a five-sided military compound and headquarters of the [[United States Department of Defense]]. The Pentagon is not far from the [[Potomac River]] and [[Ronald Reagan National Airport]]. Across the river from [[Washington, D.C.]] the Pentagon is located in [[Arlington]], [[Virginia]], about three miles southwest of the [[White House]]. It is home to the offices of the [[U.S. Joint Chiefs of Staff]], the Secretary of Defense, and the [[Joint Terrorism Task Force]].  

'''The Pentagon''' is a five-sided military compound and headquarters of the [[United States Department of Defense]]. The Pentagon is not far from the [[Potomac River]] and [[Ronald Reagan National Airport]] just across the river from [[Washington, D.C.]] in [[Arlington]], [[Virginia]]. It is home to the offices of the [[U.S. Joint Chiefs of Staff]], the Secretary of Defense, and the [[Joint Terrorism Task Force]].