Museum of Science and Industry (Chicago) of Progress event. For years, visitors entered the museum through its original main entrance, but that entrance became no longer large enough to handle an increasing volume of visitors. The newer main entrance is a structure detached from the main museum building, through which visitors descend into an underground area and re-ascend into the main building, similar to the Louvre Pyramid. In 1983, due to increased attendance, the museum started construction of its underground parking lot, located in three underground levels below the front lawn. Construction of the underground parking lot was finished in the 1990s. For over 55 years,
Structure of the British Army in 1989 Structure of the British Army in 1989 This is the structure of the British Army in 1989. Where details are unclear, the general pattern portrayed in Isby and Kamps, "Armies of NATO's Central Front", Jane's Publishing Company, 1985 has been followed. The Chief of the General Staff (United Kingdom) directed the British Army with the assistance of the Army Board, under the authority of the Chief of the Defence Staff (United Kingdom) and the Secretary of State for Defence. Commander-in-Chief, UK Land Forces, General Sir Charles Huxtable HQ: Wilton HQ United Kingdom Land Forces commanded nine military districts until the