- "In preparing for battle I have always found that plans are useless, but planning is indispensable."
– Dwight D. Eisenhower
- Gold cost of upgrading military units reduced by 33%.
The Pentagon appears to be a great Wonder for militaristic empires, but it is not without drawbacks: it allows them to keep their armies updated in tech for a lower Gold cost and also gives out two Great Merchant points. Although it may at first seem helpful to get Great Merchants, whenever a Great Merchant is acquired, the GPP requirements for obtaining Great Scientists and Great Engineers increase significantly. Militaristic players should not rush to build the Pentagon unless they also need to strengthen their economies or maintain alliances with city-states, because the slower acquisition of Great Scientists and Great Engineers will hamper their science and production potential.
The Pentagon is a large, five-sided building in Arlington, Virginia, USA, just across the Potomac River from Washington, DC. It is the headquarters of the United States Department of Defense and all five branches of the armed forces: the Army, Navy, Marine Corps, Air Force, and the Coast Guard. The Pentagon was designed to consolidate the various parts of the War Department (now the Department of Defense), until then was scattered in seventeen separate buildings across Washington. Construction began in 1941, and was completed in 1943, an astonishingly short period for such a huge building, reflecting the frantic pace of American military expansion at the start of World War II. The Pentagon occupies some 12 hectares (30 acres) and contains office space for 25,000 people, making it one of the largest office buildings ever constructed (it holds more workers than the Empire State Building, for example).
The Pentagon was struck by a passenger jet airplane piloted by religious extremists on September 11, 2001. Fortunately, the area of the Pentagon that was hit was undergoing renovations at the time of the attack. The renovations were to improve the structural strength of the building, and many of the office workers occupying that portion of the building had temporarily relocated to other quarters. One hundred and twenty-five Pentagon workers were killed in the attack, along with all sixty-four passengers aboard the plane. The building has since been fully rebuilt and today remains the heart and brains of the US armed forces.