As he lived in barracks I was a little doubtful whether this was feasible, but we went out to reconnoitre.
There are no more uses of "reconnoiter" in the book.
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Navy Seals have reconnoitered the area in advance of the invasion.
Not until twenty miles farther on, when they reconnoitered in the dark of a mountain hollow, and he stepped from the saddle and his leg buckled under him, the blood sloshing in his boot like a full well bucket, did he notice the ankle.