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Military camouflage is the use of camouflage by a military force to protect personnel and equipment from observation by enemy forces. In practice, this means applying colour and materials to military equipment of all kinds, including vehicles, ships, aircraft, gun positions and battledress, either to conceal it from observation (crypsis), or to make it appear as something else (mimicry). The French slang word ''camouflage'' came into common English usage during World War I when the concept of visual deception developed into an essential part of modern military tactics. In that war, long-range artillery and observation from the air combined to expand the field of fire, and camouflage was widely used to decrease the danger of being targeted or to enable surprise. As such, military camouflage is a form of military deception. Camouflage was first practiced in simple form in the mid 18th century by jäger- or rifle units. Their tasks required them to be inconspicuous, and they were issued green and later other drab colour uniforms. With the advent of longer range and more accurate weapons, especially the repeating rifle, camouflage was adopted for the uniforms of all armies, spreading to most forms of military equipment including ships and aircraft. Many modern camouflage textiles address visibility not only to visible light but also near infrared, for concealment from night vision devices. Camouflage is not only visual; heat, sound, magnetism and even smell can be used to target weapons, and may be intentionally concealed. Digital camouflage applies patterns made of pixels, often designed to disrupt outlines at different distances, providing a degree of scale invariance. Camouflage for equipment and positions was extensively developed for military use by the French in 1915, soon followed by other World War I armies. In both world wars, artists were recruited as camouflage officers. Ship camouflage developed via conspicuous dazzle camouflage schemes during WWI, but since the development of radar, ship camouflage has received less attention. Aircraft, especially in World War II, were often painted with different schemes above and below, to camouflage them against the ground and sky respectively. Military camouflage patterns have been popular in fashion and art from as early as 1915. Camouflage patterns have appeared in the work of artists such as Henri Farre, Andy Warhol and Ian Hamilton Finlay, sometimes with an anti-war message. In fashion, many major designers have exploited camouflage's style and symbolism, and military clothing or imitations of it have been used both as street wear and as a symbol of political protest. ==Principles== Military camouflage is part of the art of military deception. The main objective of military camouflage is to deceive the enemy as to the presence, position and intentions of military formations. Camouflage techniques include concealment, disguise, and dummies, applied to troops, vehicles, and positions.〔Newark, 2007. p. 8.〕 Vision is the main sense of orientation in humans, and the primary function of camouflage is to deceive the human eye. Camouflage works through concealment (whether by countershading, preventing casting shadows, or disruption of outlines), mimicry, or possibly by dazzle.〔Brayley, 2009.〕〔Behrens, 2003.〕 In modern warfare, some forms of camouflage, for example including CADPAT textiles, also offer concealment from radar and from infrared sensors.〔Newark, 2007. p. 160.〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「military camouflage」の詳細全文を読む スポンサード リンク
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