Main Page | See live article | Alphabetical index Class U: Military science is a classification used by the Library of Congress classification system. This article outlines the subclasses of Class U. U -- Military Science (General) UA - Armies: Organization, distribution, military situation UB - Military administration UC - Maintenance and transportation UD - Infantry UE - Cavalry. Armor UF - Artillery UG - Military engineering UH - Other services This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.