Rules of Engagement (ROE)

Definition

Legal and tactical guidelines dictating when, where, and how military force can be applied—essentially permission slips for soldiers to shoot things.

Example Usage

The updated ROE prohibited engagement in civilian areas without higher authorization.

Origin

Modern military legal framework, codified post-WWII

Fun Fact

ROEs vary dramatically by mission and can be a source of significant tactical frustration.

Source: Pentagon Legal Doctrine

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