A cruise missile is a guided missile, the major portion of whose flight path to its target (a land-based or sea-based target) is conducted at approximately constant velocity; that relies on the dynamic reaction of air for lift, and upon propulsion forces to balance drag. Cruise missiles are designed to deliver a large warhead over long distances with high accuracy. Modern cruise missiles can travel at supersonic or high subsonic speeds, are self-navigating, and can fly on a non-ballistic, extremely low altitude trajectory. They are distinct from unmanned aerial vehicles (UAV) in that they are used only as weapons and not for reconnaissance. In a cruise missile, the warhead is integrated into the vehicle and the vehicle is always sacrificed in the mission.
Cruise missile designs fundamentally derive from the German V-1 of World War II. Advances in transistor and computer technology have contributed to self-correcting avionic and aeronautical designs that allow missiles to be guided in flight, as opposed to only at launch. These advances developed into guided missiles and guided bombs, and later into the modern cruise missile.
- 1 History
- 2 General design
- 3 Categories
- 4 Deployment
- 5 See also
- 6 References
- 7 External links
History[edit | edit source]
The idea of an "aerial torpedo" was shown in the British 1909 film The Airship Destroyer, where flying torpedoes controlled wirelessly are used to bring down airships bombing London.
In 1916, Lawrence Sperry patented and built an "aerial torpedo", a small biplane carrying a TNT charge, a Sperry autopilot and a barometric altitude control. Inspired by these experiments, the US Army developed a similar flying bomb called the Kettering Bug. Germany had also flown trials with remote-controlled aerial gliders (Torpedogleiter) build by Siemens-Schuckert beginning in 1915.
In the Soviet Union, Sergey Korolev headed the GIRD-06 cruise missile project from 1932 to 1939, which used a rocket-powered boost-glide design. The 06/III (RP-216) and 06/IV (RP-212) contained gyroscopic guidance systems. The vehicle was designed to boost to 28 km altitude and glide a distance of 280 km, but test flights in 1934 and 1936 only reached an altitude of 500 meters.
Germany first deployed cruise style missiles, during World War II. The V-1, often referred to as flying bomb, contained a gyroscopic guidance system and was propelled by a simple pulse-jet engine, the sound of which gave it the nickname of "buzz bomb". Accuracy was sufficient only for use against very large targets (the general area of a city), while the range of 250 km was significantly lower than that of a bomber carrying the same payload. The main advantages were speed (while not sufficient to outperform contemporary interceptors) and expendability. The production cost of a V-1 was only a small fraction of that of a V-2 supersonic ballistic missile, carrying a similar-sized warhead. Unlike the V-2, however, the V-1 required stationary launch ramps which were susceptible to bombardment. Nazi Germany, in 1943, also developed the Mistel program which can be seen as a rudimentary air-launched cruise missile, where a piloted fighter-type aircraft was mounted atop an unpiloted bomber-sized aircraft that was packed with explosives to be released while approaching the target. Bomber-launched variants of the V-1 saw limited operational service towards the end of the war.
Immediately after the war the United States Air Force had 21 different guided missile projects including would-be cruise missiles. All were cancelled by 1948 except four: the Air Material Command BANSHEE, the SM-62 Snark, the SM-64 Navaho, and the MGM-1 Matador. The BANSHEE design was similar to Operation Aphrodite; like Aphrodite it failed, and was canceled in April 1949.
During the Cold War period both the United States and the Soviet Union experimented further with the concept, deploying early cruise missiles from land, submarines and aircraft. The main outcome of the US Navy submarine missile project was the SSM-N-8 Regulus missile, based upon the V-1.
The US Air Force's first operational surface-to-surface missile was the winged, mobile, nuclear-capable MGM-1 Matador, also similar in concept to the V-1. Deployment overseas began in 1954, first to West Germany and later to the Republic of China (Taiwan) and South Korea. On November 7, 1956, U. S. Air Force Matador units in West Germany, whose missiles were capable of striking targets in the Warsaw Pact, deployed from their fixed day-to-day sites to unannounced dispersed launch locations. This alert was in response to the crisis posed by the Soviet attack on Hungary which suppressed the 1956 Hungarian Revolution.
Between 1957 and 1961 the United States followed an ambitious and well-funded program to develop a nuclear-powered cruise missile, Project Pluto. It was designed to fly below the enemy's radar at speeds above Mach 3 and carry a number of hydrogen bombs that it would drop on its path over enemy territory. Although the concept was proven sound and the 500 megawatt engine finished a successful test run in 1961, no airworthy device was ever completed. The project was finally abandoned in favor of ICBM development.
While ballistic missiles were the preferred weapons for land targets, heavy nuclear and conventional tipped cruise missiles were seen by the USSR as a primary weapon to destroy US naval carrier battle groups. Large submarines (for example, Echo and Oscar classes) were developed to carry these weapons and shadow US battle groups at sea, and large bombers (for example, Backfire, Bear, and Blackjack models) were equipped with the weapons in their air-launched cruise missile (ALCM) configuration.
General design[edit | edit source]
Cruise missiles generally consist of a guidance system, payload, and propulsion system, housed in an airframe with small wings and empennage for flight control. Payloads usually consist of a conventional warhead or a nuclear warhead. Cruise missiles tend to be propelled by a jet engine, turbofan engines being preferred due to their greater efficiency at low altitude and sub-sonic speed.
Guidance systems[edit | edit source]
Guidance systems also vary greatly. Low-cost systems use a radar altimeter, barometric altimeter and clock to navigate a digital strip map. More advanced systems use inertial guidance, satellite navigation and terrain contour matching (TERCOM). Use of an automatic target recognition (ATR) algorithm/device in the guidance system increases accuracy of the missile. The Standoff Land Attack Missile features an ATR unit from General Electric.
Categories[edit | edit source]
Cruise missiles can be categorized by size, speed (subsonic or supersonic), and range, and whether launched from land, air, surface ship, or submarine. Often versions of the same missile are produced for different launch platforms; sometimes air- and submarine-launched versions are a little lighter and smaller than land- and ship-launched versions.
Guidance systems can vary across missiles. Some missiles can be fitted with any of a variety of navigation systems (Inertial navigation, TERCOM, or satellite navigation). Larger cruise missiles can carry either a conventional or a nuclear warhead, while smaller ones carry only conventional warheads.
Hypersonic[edit | edit source]
A hypersonic cruise missile would travel at least 5 times the speed of sound.
Supersonic[edit | edit source]
These missiles travel faster than the speed of sound, usually using ramjet engines. The range is typically 100–500 km, but can be greater. Guidance systems vary.
- BrahMos / India / Russia - fastest supersonic cruise missile
- 3M-54 Klub Russia (the "Sizzler" variant is capable of supersonic speed)
- Air-Sol Moyenne Portée France - supersonic stand-off nuclear missile
- C-101 China
- C-301 China
- C-803 China - supersonic terminal stage only
- C-805 China
- CJ-10 China
- CVS401 Perseus / United Kingdom / France (Under development) - stealth supersonic cruise missile
- KD-88 China
- Kh-31 Russia
- Hyunmoo III South Korea (Hyunmoo IIIA 500 km, Hyunmoo IIIB 1000 km, Hyunmoo IIIC 1500 km)
- P-270 Moskit / USSR / Russia
- P-500 Bazalt / USSR / Russia
- P-700 Granit / USSR / Russia
- P-800 Oniks / USSR / Russia
- YJ-12 China
- YJ-91 China
- Yun Feng Taiwan
Long-range subsonic[edit | edit source]
The US, Russia, UK, Israel, Pakistan, Turkey, Iran, China and India have developed several long-range subsonic cruise missiles. These missiles have a range of over 1,000 kilometres (620 mi) and fly at about 800 kilometres per hour (500 mph). They typically have a launch weight of about 1,500 kilograms (3,300 lb) and can carry either a conventional or a nuclear warhead. Earlier versions of these missiles used inertial navigation; later versions use much more accurate TERCOM and DSMAC systems. Most recent versions can use satellite navigation.
- AGM-86B US
- AGM-129 ACM US
- BGM-109 Tomahawk / US/UK
- DH-10 China
- KH-55 Russia
- Meshkat Iran (Range 2000 km)
- Nirbhay India (1000 + km, Under development)
- Popeye Turbo SLCM Israel
- RK-55 Russia
- SOM (missile) (SOM B Block I) Turkey (350 km range under serial production, 500 km + range under development) - 500 km, 1500 km and 2500 km versions 
Medium-range subsonic[edit | edit source]
These missiles are about the same size and weight and fly at similar speeds to the above category, but the range is (officially) less than 1,000 km. Guidance systems vary.
- AGM-158 JASSM US
- Popeye turbo ALCM Israel
- Babur Pakistan
- KD-63 China
- Ra'ad ALCM Pakistan
- Storm Shadow/SCALP // UK / France / Italy
- Raad Iran
- Taurus KEPD 350 / Germany / Sweden
Short-range subsonic[edit | edit source]
These are subsonic missiles which weigh around 500 kilograms (1,102 lb) and have a range of up to 300 km (190 mi).
- AVMT-300 Brazil
- C-801 China
- C-802 China
- C-602 China
- Delilah missile Israel
- Gabriel IV Israel
- Hae Sung Korea
- Kh-35 Russia
- Nasr-1 Iran
- Naval Strike Missile Norway
- Noor Iran
- Qader Iran
- RBS-15 Sweden
- RGM-84 Harpoon USA
- Silkworm China
- SOM (missile) Turkey
- Zafar Iran
Deployment[edit | edit source]
The most common mission for cruise missiles is to attack relatively high-value targets such as ships, command bunkers, bridges and dams. Modern guidance systems permit precise attacks.
(As of 2001) the BGM-109 Tomahawk missile model has become a significant part of the US naval arsenal. It gives ships and submarines an extremely accurate, long-range, conventional land attack weapon. Each costs about US$830,000. Both the Tomahawk and the AGM-86 were used extensively during Operation Desert Storm.
The US Air Force deploys an air-launched cruise missile, the AGM-86. The B-52 Stratofortress is the exclusive delivery vehicle for the AGM-86 and AGM-129 ACM. Both missile types are configurable for either conventional or nuclear warheads.
Both Tomahawk (as BGM-109) and ALCM (AGM-86) were competing designs for the USAF. ALCM nuclear tipped cruise missile to be carried by the B-52 heavy bomber. The USAF adopted the AGM-86 for its bomber fleet while AGM-109 was adapted to launch from trucks and ships and adopted by the USAF and Navy. The truck-launched versions, and also the Pershing II and SS-20 Intermediate Range Ballistic Missiles, were later destroyed under the bilateral INF (Intermediate Range Nuclear Forces) treaty with the USSR.
The British Royal Navy (RN) also operates cruise missiles, specifically the US-made Tomahawk, used by the RN's nuclear submarine fleet. UK conventional warhead versions were first fired in combat by the RN in 1999, during the Kosovo War (the US fired cruise missiles in 1991). The Royal Air Force uses the Storm Shadow cruise missile on its Tornado GR4 aircraft. It is also used by France, where it is known as SCALP EG, and carried by the Armée de l'Air's Mirage 2000 and Rafale aircraft.
India and Russia have jointly developed the supersonic cruise missile BrahMos. There are three versions of the Brahmos: ship/land-launched, air-launched and sub-launched. The ship/land-launched version were operational as of late 2007. The Brahmos has the capability to attack targets on land. Russia also continues to operate other cruise missiles: the SS-N-12 Sandbox, SS-N-19 Shipwreck, SS-N-22 Sunburn and SS-N-25 Switchblade. Germany and Spain operate the Taurus missile while Pakistan has developed its own cruise missile somewhat similar to Tomahawk cruise missile, named the Babur missile. Both the People's Republic of China and the Republic of China (Taiwan) have designed several cruise missile variants, such as the well-known C-802, some of which are capable of carrying biological, chemical, nuclear, and conventional warheads.
Nuclear warhead versions[edit | edit source]
United States[edit | edit source]
The United States has deployed four nuclear cruise missiles at one time or another.
- SSM-N-8 Regulus submarine-launched missile, out of service
- AGM-86 ALCM air-launched cruise missile, 350 to 550 missiles and W80 warheads still in service
- BGM-109 Tomahawk cruise missile in nuclear submarine-, surface ship-, and ground-launched models, nuclear models out of service but warheads kept in reserve.
- AGM-129 ACM Advanced Cruise missile, out of service 
Russia[edit | edit source]
Russia has Kh-55SM cruise missiles, with similar to US AGM-129 range of 3000 km, but are able to carry more powerful warhead of 200 kt. They are equipped with a TERCOM system which allows them to cruise at an altitude lower than 110 meters at subsonic speeds while obtaining a CEP accuracy of 15 meters with an Inertial navigation system. They are air-launched from either Tupolev Tu-95s, Tupolev Tu-22Ms, or Tupolev Tu-160s, each able to carry 16 for the Tu-95, 12 for the Tu-160, and 4 for the Tu-22M. A stealth version of the missile, the Kh-101 is in development. It has similar qualities as the Kh-55, except that its range has been extended to 5,000 km, equipped with a 1,000 kg conventional warhead, and has stealth features which reduces its probability of intercept.
France[edit | edit source]
The French Force de Frappe nuclear forces include both land and sea based bombers with Air-Sol Moyenne Portée high speed medium range nuclear cruise missiles. Two models are in use, ASMP and a newer ASMP-A. Approximately 60 nuclear missiles are in service, 50 land based and 10 sea based.
Israel[edit | edit source]
The Israeli Defense Forces reportedly deploy the medium-range air-launched Popeye Turbo ALCM and the Popeye Turbo SLCM medium-long range cruise missile with nuclear warheads on Dolphin class submarines.
Efficiency in modern warfare[edit | edit source]
Currently cruise missiles are among the most expensive of single-use weapons, up to several million dollars apiece. One consequence of this is that its users face difficult choices in targeting, to avoid expending the missiles on targets of low value. For instance during Operation Enduring Freedom the United States attacked targets of very low monetary value with cruise missiles, which led many to question the efficiency of the weapon. However, proponents of the cruise missile counter that the same argument applies to other types of UAVs: they are cheaper than human pilots when total training and infrastructure costs are taken into account, not to mention the risk of loss of personnel. As demonstrated in Operation Odyssey Dawn and prior conflicts, cruise missiles are much more difficult to detect and intercept than other aerial assets, suiting them to attacks against static air defense systems.
See also[edit | edit source]
- Cruise missile submarine
- Expendable launch system
- Intercontinental ballistic missile
- List of missiles
- List of missiles by country
- List of rocket planes
- List of weapons
- Low Cost Miniature Cruise Missile
- NATO reporting name (has lists of various Soviet missiles)
- Surface-to-surface missile
- Weapons of mass destruction
References[edit | edit source]
- http://www.huffingtonpost.com/2011/03/25/cruise-missiles-missile_n_840365.html Cruise Missiles: The Million-Dollar Weapon
- "Remote Piloted Aerial Vehicles : The 'Aerial Target' and 'Aerial Torpedo' in Britain". Ctie.monash.edu.au. http://www.ctie.monash.edu.au/hargrave/rpav_britain.html. Retrieved 2012-02-13.
- British Aerial Torpedoes
- "Object No. 212", 1936 report in _Tvorcheskoi Nasledie Akedemika Sergeya Pavlovicha Koroleva_
- The Evolution of the Cruise Missile by Werrell, Kenneth P.[dead link] see PDF page 92
- "Hypersonic version of Brahmos on the way". October 9, 2011. http://articles.economictimes.indiatimes.com/2011-10-09/news/30260244_1_air-version-stealth-supersonic-cruise-missile-india-s-defence-research.
- - Supersonic Stealth Missile by James Dunnigan
- Janes - Perseus: MBDA's missile of the future?
- IISS Experts' Commentary - From the Paris Air Show: Enter Perseus
- New British missile three times as fast as current weapons
- MBDA Systems
- FlightGlobal - PARIS: Perseus set to go on the attack
- Ümit Enginsoy. "BUSINESS - Turkey aims to increase ballistic missile ranges". Hurriyetdailynews.com. http://www.hurriyetdailynews.com/turkey-aims-to-increase-ballistic-missile-ranges.aspx?pageID=238&nID=12731&NewsCatID=345. Retrieved 2012-02-13.
- "TÜBİTAK: Hedefimiz 2 bin 500 kilometre menzilli füze yapmak - Hürriyet EKONOMİ". Hurriyet.com.tr. 2012-01-14. http://www.hurriyet.com.tr/ekonomi/19680119.asp. Retrieved 2012-02-13.
- "Türk Füzesi SOM İçin Geri Sayım Başladı - Haber - TRT Avaz". Trt.net.tr. http://www.trt.net.tr/trtavaz/turk-fuzesi-som-icin-geri-sayim-basladi--haber-detay,tr,24107.aspx. Retrieved 2012-02-13.
- "Yerli seyir füzesi, 180 kilometreden hedefini vuracak - Hürriyet Gündem". Hurriyet.com.tr. http://www.hurriyet.com.tr/gundem/17954640.asp?gid=381. Retrieved 2012-02-13.
- "Yerli seyir füzesi, 180 kilometreden hedefinin vuracak - Kirpi HABER Cesur | Özgür | Tarafsız Habercilik". Kirpihaber.com. http://www.kirpihaber.com/teknoloji-bilim/yerli-seyir-fuzesi-180-kilometreden-hedefinin-vuracak.htm. Retrieved 2012-02-13.
- http://www.bbc.co.uk/news/uk-12806709 According to Prof Malcolm Charmers of defence think-tank the Royal United Services Institute
- "Cruise missile career comes to a close". US Air Force, Tinker Air Force Base public affairs. 2012-04-24. http://www.tinker.af.mil/news/story.asp?id=123299303. Retrieved 2012-12-27.
- "Kh-101 - Russian and Soviet Nuclear Forces". Fas.org. http://www.fas.org/nuke/guide/russia/bomber/kh-101.htm. Retrieved 2012-02-13.
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|Wikimedia Commons has media related to Cruise missile.|
- The Evolution of the Cruise Missile by Werrell, Kenneth P.
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