; and (2) the effective use of taxpayer dollars. . (b) Clerical amendment The table of contents in section 1(b) of the Homeland Security Act of 2002 is amended by inserting after the item relating to section 433 the following new item: Sec. 435. Border security technology program management. . (c) Prohibition on additional authorization of appropriations No additional funds are authorized to be appropriated to carry out section 435 of the Homeland Security Act of 2002, as added by subsection (a). Such section shall be carried out using amounts otherwise authorized for such purposes. 1116. National Guard support to secure the southern border (a) National Guard support (1) Authority to request The Secretary may, pursuant to chapter 15 of title 10, United States Code, request that the Secretary of Defense support the Secretary’s efforts to secure the southern border of the United States. The Secretary of Defense may authorize the provision of such support under section 502(f) of title 32, United States Code. (2) Approval and order With the approval of the Secretary and the Secretary of Defense, the Governor of a State may order any units or personnel of the National Guard of such State to perform operations and missions under section 502(f) of title 32, United States Code, for the purpose of securing the southern border of the United States. (b) Types of support authorized The support provided in accordance with subsection (a) may include— (1) construction of reinforced fencing or other physical barriers; (2) operation of ground-based surveillance systems; (3) deployment of manned aircraft, unmanned aerial surveillance systems, and ground-based surveillance systems to support continuous surveillance of the southern border