unconventional warfare

noun

1. warfare that is conducted within enemy lines through guerrilla tactics or subversion, usually supported at least in part by external forces.

Example Sentences

Tehran’s proxy groups may be diminished, but Iran still has its Quds Force, through which the Islamic Revolutionary Guard Corps conducts nonstate and unconventional warfare.

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The Quds force that Soleimani led is a branch of Iran's Islamic Revolutionary Guard Corps which specialises in unconventional warfare and military intelligence.

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The “Gerasimov Doctrine of Hybrid Warfare” blends conventional and unconventional warfare, essentially expanding military battlefield options infinitely — including into cyberspace.

Read more on Washington Times

Russia’s expenditure of its elite troops will have cascading effects, the documents say, including a loss of some ability to train paramilitary groups in unconventional warfare tactics, “which Russia has used to advance its interests abroad.”

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Foreign internal defense and unconventional warfare are core missions of the U.S.

Read more on Washington Times