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Cruise missile

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A cruise missile is an unmanned, self-propelled guided missile. It is designed to deliver a large payload over long distances with high precision. Unlike ballistic missiles, which follow a high arc, cruise missiles use aerodynamic lift to stay in the air. This means they use wings to fly, much like a small airplane.

Tomahawk Block IV cruise missile -crop
Tomahawk Block IV cruise missile -crop

Modern versions can travel at subsonic, supersonic, or hypersonic speeds. They are capable of self-navigation and can follow a non-ballistic, extremely low-altitude trajectory. This low flight path helps them stay hidden from radar systems.

How a cruise missile navigates depends on its specific guidance system. Many missiles use inertial navigation, which tracks the vehicle's own movement to calculate its position. Other advanced models use TERCOM, or Terrain Contour Matching, to match the ground below with stored maps. Some rely on satellite navigation for even greater accuracy.

Storm Shadow p1220865
Storm Shadow p1220865

Because they are self-navigating, they do not need a pilot to steer them toward a target. This technology allows them to fly complex routes rather than simple curves.

Engine technology and speed define the different types of cruise missiles. Subsonic missiles fly at speeds slower than the speed of sound. Supersonic missiles travel faster than sound and often use ramjet engines to maintain high speeds.

Brahmos imds
Brahmos imds

The fastest category is hypersonic missiles. These travel at least five times the speed of sound, known as Mach 5. Some hypersonic designs use a scramjet, which is a type of engine that breathes air at extremely high speeds. These missiles are categorized by their payload size, range, and the platform used to launch them.

The history of these weapons began with early 20th-century experiments. In 1916, American aviator Lawrence Sperry patented the Hewitt-Sperry Automatic Airplane. This was a small biplane equipped with an autopilot and barometric altitude control. During World War II, Germany deployed the first operational cruise missiles known as the V-1.

Fieseler Fi-103
Fieseler Fi-103

The V-1 used a pulsejet engine that made a loud noise. This earned it nicknames like "buzz bomb" or "doodlebug." While the V-1 was expendable and cheap to make, it was not very accurate. It could only reliably hit very large targets, such as entire cities.

After the war, many nations developed their own missile programs. In the 1950s, the United States deployed the MGM-1 Matador, its first operational surface-to-surface missile. The U.S. Navy also tested the SSM-N-8 Regulus, which was powered by a jet engine and launched from submarines.

AGM-129A - 2006 0306 b52 2lg
AGM-129A - 2006 0306 b52 2lg

During the Cold War, the Soviet Union focused on using heavy cruise missiles to target naval carrier battle groups. They developed large submarines and bombers to carry these weapons. This era saw a constant race to improve speed, range, and the ability to launch from different locations.

Today, cruise missiles are used by many countries including the United States, China, Russia, France, and India. They can be launched from various platforms such as land, ships, or aircraft.

Nirbhay missiles during Republic Day Parade 2018
Nirbhay missiles during Republic Day Parade 2018

For example, some Indian Nirbhay missiles are mounted on truck-based launchers for mobility. Other missiles, like the BrahMos, are designed for high-speed performance. The variety of modern missiles shows how much technology has changed since the early flying bombs.

Modern cruise missile technology connects to many fields of science. Engineers must master aerodynamics to ensure the wings provide enough lift. They must also master propulsion to create engines like the scramjet.

Babur Cruise Missle at Ideas 2008
Babur Cruise Missle at Ideas 2008

Furthermore, computer science is essential for the complex guidance systems that allow for high precision. As technology advances, missiles continue to become faster and more accurate, moving from simple flying bombs to highly complex machines.

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🖼️ Images & Media (13)
File:Tomahawk Block IV cruise missile -crop.jpg
Tomahawk Block IV cruise missile -crop.jpg
File:Fieseler Fi-103.jpg
Fieseler Fi-103.jpg
File:Brahmos imds.jpg
Brahmos imds.jpg
File:Nirbhay missiles during Republic Day Parade 2018.jpg
Nirbhay missiles during Republic Day...
File:Storm Shadow p1220865.jpg
Storm Shadow p1220865.jpg
File:Babur Cruise Missle at Ideas 2008.jpg
Babur Cruise Missle at Ideas 2008.jpg
File:NSM PICT0001.JPG
NSM PICT0001.JPG
File:Hsiung Feng II Anti-Ship Missile Display in Chengkungling 20111009a.jpg
Hsiung Feng II Anti-Ship Missile Display...
File:Hsiung-Feng-2-sketch.svg
Hsiung-Feng-2-sketch.svg
File:AGM-129A - 2006 0306 b52 2lg.jpg
AGM-129A - 2006 0306 b52 2lg.jpg
File:BRAHMOS Launcher.JPG
BRAHMOS Launcher.JPG
File:3M-54E1.jpg
3M-54E1.jpg

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