tangible assets in course of construction
41Military science — For the research and development of technologies used in warfare, see Military technology. Warfare Military history Eras Prehistoric …
42History of the tank — This article is about the history of the tank.The prehistory of the tank [ thumb|right|Recreation of an armoured vehicle designed by Leonardo da Vinci at the Château d Amboise] The problem of advancing to attack while under fire is as old as… …
43Colonial Williamsburg — Williamsburg Historic District U.S. National Register of Historic Places U.S. National Historic Landmark District …
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