The Pentagon Memorial, located just southwest of The Pentagon in Arlington County, Virginia, is a permanent outdoor memorial to the 184 people who died as victims in the building and on American Airlines Flight 77 during the September 11 attacks.
Pentagon Memorial, terletak di sebelah barat daya The Pentagon di Arlington County, Virginia, adalah sebuah tugu peringatan permanen untuk 184 pria dan wanita yang tewas sebagai korban serangan ini, di gedung Pentagon maupun American Airlines Penerbangan 77 dalam serangan 11 September 2001.