Dark Canopy Will Enshroud the Sun

The Pentagon stood in Arlington, near Washington, United States, along the Potomac River. Viewed from the air, the building formed a perfect pentagon, hence the name "Pentagon." The building covered 29 acres, stood 22 meters tall, had five floors, and possessed a total floor area of 608,000 square meters, with approximately 344,000 square meters of usable space. It could accommodate 30,000 office workers. Large parking lots stood on both the north and south sides, capable of holding 10,000 cars at once.