; (iii) identifying commodities and merchandise in images generated by non-intrusive inspection technologies or any successor technologies deployed by U.S. Customs and Border Protection; (iv) identifying contraband, persons who are seeking to unlawfully enter or exit United States, or illicitly concealed merchandise such as illicit drugs or terrorist weapons in images generated by non-intrusive technologies or any successor technologies deployed by U.S. Customs and Border Protection; (v) tactics, techniques, and procedures being used at ports of entry and in the border environment by malign actors to facilitate the unlawful entry or exit of contraband, persons, or concealed merchandise such as illicit drugs or terrorist weapons; and (vi) any other training that the Commissioner of the U.S. Customs and Border Protection determines to be relevant to the duties described in subparagraphs (B) or (D) of this subsection. (D) Annual assessment All Image Technicians and Supervisory Image Technicians shall receive annual testing with respect to their— (i) accuracy in image analysis; (ii) timeliness in image analysis; and (iii) ability to ascertain tactics, techniques, and procedures being used at ports of entry and in the border environment by malign actors to facilitate the unlawful entry or exit of contraband, persons, or illicitly concealed merchandise such as illicit drugs or terrorist weapons. . 3. Workforce staffing model (a) Development Not later than 1 year after the date of the enactment of this Act, the Commissioner of U.S. Customs and Border Protection shall develop a workforce staffing model for Image Technicians and Supervisory Image Technicians described in section 211(g)(6) of the Homeland Security Act of 2002, as amended by section 2, based upon— (1) the deployment of non-intrusive inspection technologies at ports of entry and international rail crossings; (2) border traffic patterns