De la Colonie states a lieutenant and 20 men were sent off to reconnoitre the area.
From the en.wikipedia.org
Uncertain of their reception, they sent only one ship to reconnoitre the situation.
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At the end of June, Amelia sailed to Rochefort to reconnoitre the enemy.
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In fact, in early times the village was used to reconnoitre the movements of the enemy.
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St Vincent sent him on to Gibraltar with a small force to reconnoitre French activities.
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While they rested, they sent out a scout, Umayr ibn Wahb to reconnoitre the Muslim lines.
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When Hussain gave him a camera and told Cromitie to reconnoitre targets, he promptly sold it.
From the guardian.co.uk
Before leaving, Captain Irby sent Lieutenant Pascoe off in a small schooner to reconnoitre.
From the en.wikipedia.org
The Meccans sent out a small party for a raid on Medina to restore confidence and reconnoitre.
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More examples
Scout: explore, often with the goal of finding something or somebody
Reconnaissance is a mission to obtain information by visual observation or other detection methods, about the activities and resources of an enemy or potential enemy, or about the meteorologic, hydrographic, or geographic characteristics of a particular area.
An act or instance of reconnoitring; To perform a reconnaissance (of an area; an enemy position); to scout with the aim of gaining information