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THREATS TO CRITICAL INFRASTRUCTURE IN IRAN CONFLICT

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Pentagon formalizes conventional forces’ role in irregular warfare, but will it stick?

A U.S. Army Sergeant Major participates in BRIGHT STAR 25 in Egypt, Sept. 8, 2025, which aims to improve interoperability in irregular warfare against hybrid threat scenarios. (U.S. Air Force photo by Senior Airman Keegan Putman)

By Mark Pomerleau

A recent Pentagon directive officially broadens the responsibility of irregular warfare (IW) well beyond the remit of special operations forces, in a move that former practicioners and experts said could be a significant development for America’s posture in the gray zone — but only if there’s real-world follow through.

At the end of September, Undersecretary of Defense for Policy Elbridge Colby signed off on an updated Department of Defense Instruction for Irregular Warfare, stating that irregular warfare “is a joint force activity conducted by conventional forces and special operations forces.”

The dry language, experts told Breaking Defense, amounts to the formalization of a push the military has been attempting, with limited success, for years.

Read more at Breaking Defense

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