physics

Operation Candid

Operation Candid is a physics 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 Operation Candid rather than just read about it. In short: Operation Candid: Protection of the Royal Family in an Emergency was a Cold War contingency plan of the British Government to evacuate Queen Elizabeth II, the Duke of Edinburgh and other members of the British royal family from London in the event of nuclear war. The plan was devised in late 1962 following the Cuban Missile Crisis and approved the following year.

Key takeaways

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

Reference excerpt

Operation Candid: Protection of the Royal Family in an Emergency was a Cold War contingency plan of the British Government to evacuate Queen Elizabeth II, the Duke of Edinburgh and other members of the British royal family from London in the event of nuclear war. The plan was devised in late 1962 following the Cuban Missile Crisis and approved the following year.

History During a time of crisis a Royal Duties Force would be formed. The force would be around 1,300 officers and men consisting of a reinforced battalion from one of the five regiments of Foot Guards, a reinforced squadron of the Household Cavalry equipped with armoured cars, a medical detachment, communications vehicles and other support and transport vehicles. It would be fully mobile and self-supporting for seven days. The force was capable of being split into four separate, self-supporting units to disperse key members of the royal family to different locations. The plan had contingencies for different situations depending on the political situation and the amount of preparation time.

During the Precautionary Phase of the Government War Plan, the royal family would disperse to country houses away from London. Known royal residences such as Balmoral Castle and Sandringham House would not have been used. Where there was sufficient time, the royal family would be evacuated to sea. The royal yacht HMY Britannia was earmarked for this purpose and was planned to hide in the lochs of northwest Scotland. Where there was little warning time, the royal family would be evacuated to the nearest regional seat of government. The home secretary and Prince Philip, Duke of Edinburgh, would remain with Queen Elizabeth II so they could hold a Privy Council and appoint a new prime minister if necessary. The plan was renamed Operation Synchronise in 1965 and in 1968 was absorbed into PYTHON, the plan to relocate the core of government to the Central Government War Headquarters at Corsham. Under this plan, the Queen would be moved to Corsham Court during the Precautionary Phase and then moved into the Central Government War Headquarters at short notice if necessary. It was withdrawn as a plan separate to PYTHON in 1973.

Recent developments

In February 2019, media reported that the Civil Contingencies Secretariat had "repurposed" Operation Candid to evacuate the royal family from London in the event of rioting following a no-deal Brexit; however, neither Buckingham Palace nor 10 Downing Street would comment on the report.

See also Coats Mission, the plan to evacuate the royal family in the event of a German invasion of Britain during the Second World War.

References

Peter Hennessy, The Secret State: Preparing For The Worst 1945 - 2010, Penguin Books, 2014.

Worked examples

Example 1 — a first encounter with Operation Candid

Start with the simplest possible case. Write down what Operation Candid claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In physics, 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 Operation Candid 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 Operation Candid 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 Operation Candid

In research: Operation Candid appears in physics 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 Operation Candid 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: Operation Candid is common in secondary-school and first-year university syllabi. It links to neighbouring topics British royal family, Cold War history of the United Kingdom, Continuity of government, so understanding it makes those chapters shorter.
In everyday life: Look for Operation Candid 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 Operation Candid in 20 minutes

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

Frequently asked questions

What is Operation Candid in simple terms?

Why does Operation Candid matter?

Because it connects several physics 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 Operation Candid?

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 Operation Candid.