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Anti-submarine missile

Anti-submarine missile is a science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Anti-submarine missile rather than just read about it. In short: An anti-submarine missile is a standoff anti-submarine weapon, often a specialized variant of anti-ship missile. Anti-submarine missiles usually include a jet or rocket engine and a warhead aimed directly at a submarine.

Anti-submarine missile — main illustration
Anti-submarine missile — illustration

Key takeaways

  • Anti-submarine missile belongs to science; place it in that map before memorising details.
  • Learn the definition first, then one example that makes the definition concrete.
  • Connect Anti-submarine missile to a quantity you can measure, compute or draw — that is where exam questions come from.
  • Reproduce the core statement of Anti-submarine missile from memory before moving on to harder problems.

Reference excerpt

An anti-submarine missile is a standoff anti-submarine weapon, often a specialized variant of anti-ship missile. Anti-submarine missiles usually include a jet or rocket engine and a warhead aimed directly at a submarine. In these missiles, a torpedo or a depth charge is used as a warhead. The anti-submarine missile can be either a cruise missile or a ballistic missile.

History

Depth charges were the earliest weapons designed for use by ships against submerged submarines. These explosives were initially dropped as the ship moved over the presumed location of a submarine. Before World War II, shipboard sonar was unable to maintain contact with a submarine at close range. Various mortar-type projectors, including Hedgehog and Squid, were devised during World War II to allow a ship to maintain sonar contact while lobbing explosive charges toward the submarine. During the Cold War, missiles were developed to provide greater range with reduced recoil. Some missiles and rockets, such as K745A1 Red Shark carry homing torpedoes to provide terminal guidance for the warhead. The advantage of an anti-submarine missile is the attack stand-off range.

Examples

Australia Ikara France Malafon India SMART Italy MILAS Japan Type 07 vertical-launch anti-submarine rocket People's Republic of China CJ-1 Torpedo CY Series South Korea K745A1 Red Shark Soviet Union/Russian Federation 85RU RPK-2 Vyuga 86R 88R RPK-1 Vikhr RPK-9 Medvedka Metel Anti-Ship Complex 91R Otvet Anti-Submarine Complex United Kingdom/Australia Ikara United States RUM-139 VL-ASROC RUR-5 ASROC UUM-44 SUBROC

References

Illustrations

Anti-submarine missile: K745A1 Red Shark missile cutaway. The missile uses a K745 Blue Shark anti-submarine torpedo as warhead.
K745A1 Red Shark missile cutaway. The missile uses a K745 Blue Shark anti-submarine torpedo as warhead.
Anti-submarine missile: An anti-submarine missile mission profile
An anti-submarine missile mission profile
Anti-submarine missile: The Malafon, used by the French Navy between 1966 and 1997, used a rocket-assisted glider to carry a torpedo up to 8 nautical miles (13 km) after launch.
The Malafon, used by the French Navy between 1966 and 1997, used a rocket-assisted glider to carry a torpedo up to 8 nautical miles (13 km) after launch.
Anti-submarine missile: Ikara, an Australian-designed missile used by several navies between the 1960s and 1990s; a rocket-parachute delivery system carried an acoustic torpedo up to 10 nautical miles (19 km) after launch. A variant re-designed in the UK and used by the Royal Navy could deliver a nuclear depth charge.
Ikara, an Australian-designed missile used by several navies between the 1960s and 1990s; a rocket-parachute delivery system carried an acoustic torpedo up to 10 nautical miles (19 km) after launch. A variant re-designed in the UK and used by the Royal Navy could deliver a nuclear depth charge.
Anti-submarine missile: Japanese Type 07 VL-ASROC missile launched from vertical launching system.
Japanese Type 07 VL-ASROC missile launched from vertical launching system.

Worked examples

Example 1 — a first encounter with Anti-submarine missile

Start with the simplest possible case. Write down what Anti-submarine missile claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Anti-submarine missile before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Anti-submarine missile ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Anti-submarine missile

In research
Anti-submarine missile appears in science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry
Engineering practice reuses Anti-submarine missile in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom
Anti-submarine missile is common in secondary-school and first-year university syllabi. It links to neighbouring topics Anti-submarine missiles, Anti-submarine warfare, Anti-submarine weapons, so understanding it makes those chapters shorter.
In everyday life
Look for Anti-submarine missile outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.
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How to study Anti-submarine missile in 20 minutes

  1. Read the reference excerpt below once, without taking notes.
  2. Close the page and write down what Anti-submarine missile means in your own words.
  3. Compare your version with the excerpt and mark what you missed.
  4. Work through the three examples above with pen and paper.
  5. Explain Anti-submarine missile out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Anti-submarine missile in simple terms?

An anti-submarine missile is a standoff anti-submarine weapon, often a specialized variant of anti-ship missile. Anti-submarine missiles usually include a jet or rocket engine and a warhead aimed directly at a submarine.

Why does Anti-submarine missile matter?

Because it connects several science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Anti-submarine missile?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Anti-submarine missile.

Tags

  • Anti-submarine missiles
  • Anti-submarine warfare
  • Anti-submarine weapons
  • Guided missiles
  • Types of missile

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