For high-security installations such as at government facilities, border stations or military bases, these Delta Scientific bullet-resistant guard booths are tested and certified to conform to Underwriters Laboratories standard UL 752. These booths currently protect locations such as the Pentagon in Washington, DC, the Ontario Airport and U.S. embassies. Custom-designed bullet-resistant guard booths are in use at U.S. Ports of Entry including at the San Ysidro Landed Port of Entry, the busiest land port in the world (pictured).

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