Marines look on during work to fortify the border structure that separates Tijuana, Mexico, behind, and San Diego, near the San Ysidro Port of Entry, Friday, Nov. 9, 2018, in San Diego. The military along the California border with Mexico worked Friday to fortify the border structure, including adding concertina wire to the tops of the rusting wall of corrugated metal. The military is expected to have the vast majority of the more than 7,000 troops planned for the mission along the border deployed by Monday, and that number could grow. (AP Photo/Gregory Bull)
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