Law of War Training Quiz & Practice Questions

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QUESTION
Which Law of War principle requires distinguishing between combatants and civilians?
Answer — The principle of distinction — it requires parties to a conflict to distinguish between combatants and civilians, and between military objectives and civilian objects.
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Built for exactly this kind of question.

Law of War questions ask you to apply a small set of core principles — distinction, proportionality, military necessity, humanity — to specific scenarios, and it's easy to mix up which principle governs which situation. Cambo explains the reasoning behind each answer so the principles actually stick.

Practice quiz

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Which Law of War principle requires distinguishing between combatants and civilians?

  1. AMilitary necessity
  2. BProportionality
  3. CDistinction
  4. DHumanity
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Answer
CDistinction
The principle of distinction — it requires parties to a conflict to distinguish between combatants and civilians, and between military objectives and civilian objects.

What is a service member required to do if they witness a violation of the Law of War?

  1. AReport it promptly through the chain of command, as required by DoD Directive 2311.01
  2. BDocument it privately and raise it only if asked during an investigation
  3. CReport it only if the violation resulted in civilian casualties
  4. DTake no action unless the violation was committed by a member of their own unit
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Answer
AReport it promptly through the chain of command, as required by DoD Directive 2311.01
Report it through the chain of command — DoD Directive 2311.01 requires all reportable incidents of Law of War violations to be reported promptly.

Which Law of War principle limits the use of force to what is actually needed to achieve a legitimate military objective?

  1. ADistinction
  2. BMilitary necessity
  3. CProportionality
  4. DChivalry
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Answer
BMilitary necessity
Military necessity — it justifies using force only to the extent required to accomplish a legitimate military purpose, not force for its own sake.

What does the principle of proportionality prohibit?

  1. AAny attack that causes incidental harm to civilians under any circumstances
  2. BAttacks where expected incidental civilian harm would be excessive relative to the concrete military advantage anticipated
  3. CThe use of force against a military objective located in a populated area
  4. DAny operation carried out without prior warning to the civilian population
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Answer
BAttacks where expected incidental civilian harm would be excessive relative to the concrete military advantage anticipated
Attacks where the expected incidental harm to civilians or civilian objects would be excessive in relation to the concrete military advantage anticipated.

Are weapons designed to cause unnecessary suffering permitted under the Law of War?

  1. AYes — any weapon is permitted if it is used against a lawful military objective
  2. BYes — provided the weapon is not prohibited by a specific treaty
  3. CNo — the principle of humanity prohibits weapons or methods that cause suffering beyond what a legitimate military purpose requires
  4. DNo — but only when the weapon is used against civilians
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Answer
CNo — the principle of humanity prohibits weapons or methods that cause suffering beyond what a legitimate military purpose requires
No — the principle of humanity prohibits weapons or methods of warfare that cause suffering beyond what's needed to achieve a legitimate military purpose.

What obligation does the Law of War place on a service member who is ordered to do something they believe is unlawful?

  1. AThey must obey the order and may raise concerns only afterward
  2. BThey must obey unless a judge advocate is available to consult first
  3. CThey may disregard any order they personally disagree with
  4. DThey are not obligated to obey a clearly unlawful order and can be held individually responsible for war crimes committed under one
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Answer
DThey are not obligated to obey a clearly unlawful order and can be held individually responsible for war crimes committed under one
Service members are not obligated to obey a clearly unlawful order and can be held individually responsible for war crimes committed under one — "just following orders" isn't a blanket defense.
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FAQ

Questions, answered.

How often is Law of War training required?

Requirements vary by service branch and role, but it's generally required at initial entry training and refreshed periodically throughout a service member's career.

Who has to complete Law of War training?

All members of the U.S. armed forces, with more in-depth training for commanders, legal practitioners, and personnel in operational roles.

What are the core Law of War principles?

Military necessity, distinction, proportionality, and humanity (avoiding unnecessary suffering) — these four principles underlie most Law of War rules and analysis.

Is Cambo affiliated with the DoD?

No. Cambo is an independent study tool, not produced or endorsed by the Department of Defense.

What is the DoD Law of War Manual?

A comprehensive DoD-wide resource developed by military and civilian lawyers to guide commanders, legal practitioners, and personnel on the law of war and how it applies to military operations.

Does Law of War training apply during all operations, or just declared wars?

It applies broadly — the Law of War Program requires compliance with the law of war during all armed conflicts, however characterized, and DoD policy directs adherence even in operations other than war.
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