highly fluid operational situation
41Seconde bataille de Tripoli —  Ne pas confondre avec Première bataille de Tripoli Article principal : Guerre civile libyenne de 2011. Bataille de Tripoli Zones contrôlée …
42chemistry — /kem euh stree/, n., pl. chemistries. 1. the science that deals with the composition and properties of substances and various elementary forms of matter. Cf. element (def. 2). 2. chemical properties, reactions, phenomena, etc.: the chemistry of… …
43Northrop P-61 Black Widow — P 61 Black Widow A P 61A 1NO of 419th Night Fighter Squadron Role Night fighter …
44Hydrogen peroxide — IUPAC name …
45Compass — This article is about the direction finding instrument used in navigation. For other uses, see Compass (disambiguation). A simple dry magnetic pocket compass …
46Intelligence collection management — is the process of managing and organizing the collection of intelligence information from various sources. The collection department of an intelligence organization may attempt basic validation of that which it collects, but is not intended to… …
47gas-turbine engine — Introduction any internal combustion engine employing a gas as the working fluid used to turn a turbine. The term also is conventionally used to describe a complete internal combustion engine consisting of at least a compressor, a… …
48Napoleon — For other uses, see Napoleon (disambiguation). Napoleon I …
49History of the British Army — The history of the British Army spans over three and a half centuries and numerous European wars, colonial wars and world wars. From the early 19th century until 1914, the United Kingdom was the greatest economic and Imperial Power in the world,… …
50environmental works — ▪ civil engineering Introduction infrastructure that provides cities and towns with water supply, waste disposal, and pollution control services. They include extensive networks of reservoirs, pipelines, treatment systems, pumping stations …
