About 15 of the reservists are from the Rockford area, and the rest are from southern Wisconsin and Chicagoland.
Captain Anthony Manning of the Parkhurst Armory Center in Darien said the soldiers range in age from younger than 21 to older than 50.
Manning said the soldiers are combat engineers and handle heavy equipment used for construction and building roads.
He said he could not confirm when the unit is headed overseas.
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