individual trench

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• Trench warfare — is a form of warfare where both combatants have fortified positions and fighting lines are static. Trench warfare arose when a revolution in firepower was not matched by similar advances in mobility. The result was a slow and grueling form of… …   Wikipedia

• trench warfare — combat in which each side occupies a system of protective trenches. [1915 20] * * * Warfare in which the opposing sides attack, counterattack, and defend from sets of trenches dug into the ground. It was developed by Sébastien Le Prestre de… …   Universalium

• List of individual weapons of the U.S. Armed Forces — Individual weapons by type and current level of use. The list is weighted towards 20th and 21st century army weapons and is not complete. Furthermore, this does not include non standard issue weapons used by United States Special Operations… …   Wikipedia

• Rocky Mountain Trench — The Rocky Mountain Trench, or the Trench or The Valley of a Thousand Peaks, is a large valley in the northern part of the Rocky Mountains. It is both visually and cartographically a striking physiographic feature extending approximately… …   Wikipedia

• Mark I trench knife — On the left a Mark I knife used to dig up an anti personnel mine. The mine is an S mine The Mark I trench knife was an American trench knife designed by officers of the American Expeditionary Force (AEF) for use in World War I. It had a… …   Wikipedia

• deep-sea trench — or oceanic trench Any long, narrow, steep sided depression in the ocean bottom in which maximum oceanic depths (24,000–36,000 ft, or 7,000–11,000 m) occur. The deepest known depression of this kind is the Mariana Trench. Most trenches occur at… …   Universalium

• slit trench — noun narrow trench for shelter in battle • Hypernyms: ↑trench * * * noun Etymology: slit (III) : a usually narrow and relatively shallow trench dug for individual protection during combat especially against bomb and shell fragments compare… …   Useful english dictionary

• Combat shotgun — Trench gun redirects here. For the special purpose trench rifles, see periscope rifle. Winchester Model 1897 Trench Gun with M1917 bayonet …   Wikipedia

• river — river1 riverless, adj. riverlike, adj. /riv euhr/, n. 1. a natural stream of water of fairly large size flowing in a definite course or channel or series of diverging and converging channels. 2. a similar stream of something other than water: a… …   Universalium

• tunnels and underground excavations — ▪ engineering Introduction        Great tunnels of the world Great tunnels of the worldhorizontal underground passageway produced by excavation or occasionally by nature s action in dissolving a soluble rock, such as limestone. A vertical opening …   Universalium

• United States — a republic in the N Western Hemisphere comprising 48 conterminous states, the District of Columbia, and Alaska in North America, and Hawaii in the N Pacific. 267,954,767; conterminous United States, 3,022,387 sq. mi. (7,827,982 sq. km); with… …   Universalium