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A rocket launcher is any device that launches a rocket-propelled projectile, although the term is often used in reference to mechanisms that are portable and capable of being operated by an individual.
The earliest rockets documented in imperial China consisted of arrows modified by the attachment of a rocket motor to the shaft a few inches behind the arrowhead. The rocket is propelled by the burning of the black powder in the motor. (These rockets should not be confused with "rocket arrows" which are conventional arrows carrying small tubes of black powder as an incendiary that ignites only after the arrow reaches its target.) The rocket launchers were constructed of wood, basketry, and bamboo tubes. The launchers divided the rockets with frames meant to keep them separated, and the launchers were capable of firing multiple rockets at once. Textual evidence and illustrations of various early rocket launchers are found in the 1510 edition of the Wujing Zongyao translated by Needham and others at Princeton University. (The original Wujing Zongyao was compiled between 1040 and 1044. The original was lost before the invention of the rocket, but partial copies survived and Wujing Zongyao was republished in 1231 during the Southern Song Dynasty, including military developments since the original publication. Historian Joseph Needham asserts that the 1510 edition is the most reliable in its faithfulness to the original and 1231 versions, since it was printed from blocks that were re-carved directly from tracings of the edition made in 1231 AD.) The Wujing Zongyao describes the "long serpent" rocket launcher, a rocket launcher constructed of wood and carried with a wheelbarrow, and the "hundred tiger" rocket launcher, a rocket launcher made of wood and capable of firing 320 rocket arrows. The text also describes a portable rocket carrier consisting of a sling and a bamboo tube.
Rockets were introduced to western warfare during the Napoleonic Wars; the Congreve rocket was a British weapon devised by Sir William Congreve in 1804 after experiencing Indian rockets at the Siege of Seringapatam (1799). Congreve rockets were launched from an iron trough about 18 inches (45 centimetres) in length, called a "chamber". These chambers could be fixed to the ground for horizontal launching, secured to a folding copper tripod for high angle fire or mounted on frames on carts or the decks of warships.
World War II
Pre-war research programmes into military rocket technology by many of the major powers, led to the introduction of a number of rocket artillery systems with fixed or mobile launchers, often capable of firing a number of rockets in a single salvo. In the United Kingdom, solid fuel rockets were initially used in the anti-aircraft role; the 7-inch Unrotated Projectile was fired from single pedestal-mounted launchers on warships and a 3-inch version was used by shore based Z Batteries, for which multiple "projectors" were developed. Later developments of these weapons included the Land Mattress multiple launchers for surface-to-surface bombardment and the RP-3 air-to-ground rockets that were launched from rails fitted to fighter bomber aircraft. In Germany, the 15 cm Nebelwerfer 41 was an adaptation of a multiple barrelled smoke mortar for artillery rockets. The Soviet Katyusha was a self-propelled system, being mounted on trucks, tanks and even trains. The United States Army deployed the tank mounted T34 Calliope system late in the war.
The use of ballistic missiles was pioneered by Nazi Germany at Peenemünde; huge fixed launching systems for the V-2 rocket constructed near the French coast at the Blockhaus d'Éperlecques and Coupole d'Helfaut-Wizernes were destroyed by Allied bombers before they could be used. Therefore, mobile launchers called Meillerwagen were employed, which could launch a rocket within 90 minutes of arrival at a suitable site; these proved almost impossible to detect from the air.
The rocket launchers category includes shoulder-fired missile weapons, any weapon that fires a rocket-propelled projectile at a target yet is small enough to be carried by a single person and fired while held on one's shoulder. Depending on the country or region, people might use the terms "bazooka" or "RPG" as generalized terms to refer to such weapons, both of which are in fact specific types of rocket launchers. The bazooka is an American anti-tank weapon which was in service in 1942–1957, while the RPG is a Soviet anti-tank weapon.
Other forms of shoulder-launched rocket weapons include anti-tank guided missile, a guided missile primarily designed to hit and destroy heavily armored vehicles, as well as Man-portable air-defense systems (MANPADS), which provides shoulder-launched surface-to-air missiles. A smaller variation is the gyrojet, a small arms rocket launcher with ammunition slightly larger than that of a .45-caliber pistol.
Recoilless rifles are sometimes confused with rocket launchers. However, the recoilless rifle merely fires a large projectile, not a projectile that continues to propel itself after leaving the barrel of the weapon.
A rocket pod is a launcher that contains several unguided rockets held in individual tubes, designed to be used by attack aircraft or attack helicopters for close air support. In many cases, rocket pods are streamlined to reduce aerodynamic drag. The first pods were developed immediately after World War II, as an improvement over the previous arrangement of firing rockets from rails, racks or tubes fixed under the wings of aircraft. Early examples of pod-launched rockets were the US Folding-Fin Aerial Rocket and the French SNEB.
Larger-scale devices which serve to launch rockets include the multiple rocket launcher, a type of unguided rocket artillery system; the transporter erector launcher, a vehicle with an integrated prime mover that can carry, elevate to firing position and launch one or more missiles and various launchers for guided missiles, including ones for surface-to-air missiles, anti-ship missiles, and antisubmarine warfare guided missiles (see ASROC, Sea Lance, etc.)
The largest scale rocket launcher devices currently in existence are missile launch facilities.
- Joseph Needham (1974). Science and Civilisation in China: Military Technology The Gunpowder Epic. Cambridge University Press. p. 488. ISBN 978-0-521-30358-3.
- Needham 1974, p. 493
- Needham 1974, p. 495
- Congreve, William (1814), The Details of the Rocket System J. Whiting, London (p. 19)
- Bailey, Jonathan B. A. (2004), Field Artillery and Firepower, Naval Institute Press, Anapolis, ISBN 1-59114-029-3 (p.177)
- Bishop, Chris (2002), The Encyclopedia of Weapons of World War II, Metrobooks, ISBN 978-1586637620 (pp. 169-178)
- Axelrod, Alan (2007), Encyclopedia of World War II: Volume 1, Facts On File Inc, ISBN 978-0816060221 (pp. 856-857)
- Vectors Website - 7.0 Unguided Rockets