Neither the Pentagon nor U.S. Army spokespeople in Iraq commented on the accusation. Arlington is home to the Pentagon, Reagan National Airport, and Arlington National Cemetery. Many eyewitnesses saw the plane strike the Pentagon. D.C. Park Four is between Reagan National Airport, The Pentagon, and the District of Columbia. A pentagram or pentangle is a regular star pentagon. The circle defining the pentagon has unit radius. The obverse depicts a silver American eagle superimposed over a medium blue pentagon. It is directly across the Potomac River from Washington, D.C., north of the Pentagon. A self-intersecting "regular pentagon" (or "star pentagon") is called a pentagram. Various pieces of aircraft debris were found within the wreckage at the Pentagon. Bin Laden wanted to destroy the White House and the Pentagon. McFarlane contacted Poindexter who alerted the Pentagon. Phillip had the city bounded by walls that made it almost a regular pentagon. Officials at the Pentagon strongly denied that possibility. At the Pentagon, she worked as an assistant to chief Pentagon spokesman Kenneth Bacon.