What is the English translation of "patrouille" in context of infrastructure?

Small detachment of soldiers, of people to whom one entrusts a mission of surveillance, of liaison.

If you suspect a different meaning is being used, you need to provide the context. I have no idea what you mean by “context of infrastructure.”

Can you provide the sentence so we can try to translate it?

“In infrastructure” my guess is that this question is about the military context of a word which translates in English to “patrol”. As a noun, a patrol is a detachment from a larger force, say squad or platoon level assigned to a specific task (usually reconnaissance). Bivouacked or fixed military positions in hostile or potentially hostile areas of conflict routinely deploy patrols to discover the whereabouts of the enemy and avoid surprise attacks.

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I don’t think it means anything other than “patrol.” As far as “patrol,” as part of an infrastructure, I would assume that would be our police force and our armed forces. They are part of our societal infrastructure.

I’m looking for the article, from a few days ago. Thanks.