Rocket artillery is artillery that uses rocket explosives as the projectile. The use of rocket artillery dates back to medieval China where devices such as fire arrows were used (albeit mostly as a psychological weapon). Fire arrows were also used in multiple launch systems and transported via carts. The first true rocket artillery was developed in India by the Kingdom of Mysore. In the late nineteenth century, due to improvements in the power and range of conventional artillery, the use of early military rockets declined; they were finally used on a small scale by both sides during the American Civil War. Modern rocket artillery was first employed during World War II, in the form of the German Nebelwerfer family of rocket ordnance designs, Soviet Katyusha-series and numerous other systems employed on a smaller scale by the Western allies and Japan. In modern use, the rockets are often guided by an internal guiding system or GPS in order to maintain accuracy.
The use of rockets as some form of artillery dates back to medieval China where devices such as fire arrows were used (albeit mostly as a psychological weapon). Fire arrows were also used in multiple launch systems and transported via carts. Devices such as the Korean hwacha were able to fire hundreds of fire arrows simultaneously. The use of medieval rocket artillery was picked up by the invading Mongols and spread to the Ottoman Turks who in turn used them on the European battlefield.
The use of war-rockets is well documented in Medieval Europe. In 1408 Duke John the Fearless of Burgundy used 300 incendiary rockets in the Battle of Othée. The city dwellers coped with this tactic by covering their roofs with dirt.
The earliest successful utilization of metal-cylinder rocket artillery is associated with Kingdom of Mysore, South India. Tipu Sultan's father Hyder Ali successfully established the powerful Sultanate of Mysore and introduced the first iron-cased metal-cylinder rocket.
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Rocket artillery is artillery that uses rocket explosives as the projectile. The use of rocket artillery dates back to medieval China where devices such as fire arrows were used (albeit mostly as a psychological weapon). Fire arrows were also used in multiple launch systems and transported via carts. The first true rocket artillery was developed in India by the Kingdom of Mysore. In the late nineteenth century, due to improvements in the power and range of conventional artillery, the use of early military rockets declined; they were finally used on a small scale by both sides during the American Civil War.
vignette|Fantassin de l'armée de terre française en position de tir avec un lance-roquette (RPG : rocket-propelled grenade) Apilas. Arme antichar standard à la fin des années 1980 et dans les années 1990. vignette|Tir de TOS-1 russe. vignette|Roquettes Hydra-70 dans un lanceur M261 à 19 tubes équipant un hélicoptère d'attaque AH-64 Apache des forces armées néerlandaises. Une roquette est un projectile non-guidé propulsé par un moteur-fusée.
A precision-guided munition (PGM, smart weapon, smart munition, smart bomb) is a guided munition intended to precisely hit a specific target, to minimize collateral damage and increase lethality against intended targets. During the First Gulf War guided munitions accounted for only 9% of weapons fired, but accounted for 75% of all successful hits. Despite guided weapons generally being used on more difficult targets, they were still 35 times more likely to destroy their targets per weapon dropped.
Le but du cours de physique générale est de donner à l'étudiant les notions de base nécessaires à la compréhension des phénomènes physiques. L'objectif est atteint lorsque l'étudiant est capable de pr
Le but du cours de physique générale est de donner à l'étudiant les notions de base nécessaires à la compréhension des phénomènes physiques. L'objectif est atteint lorsque l'étudiant est capable de pr
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