NATO’s plans to strengthen deterrence along its eastern flank envision an “autonomous zone” where only unmanned systems operate, with linked sensors, drones and long-range fires to detect and target invading Russian forces at the start of a conflict, alliance officials said on the sidelines of military exercises in Latvia last week.

Latvian troops tried out unmanned ground vehicles during the Crystal Arrow exercise as part of operational testing to integrate new technology into NATO’s Eastern Flank Deterrence Initiative, inspired by lessons from Ukraine, said Brig. Gen. Chris Gent, deputy chief of staff transformation and integration at NATO Allied Land Command.

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