; (2) construct or modify such facility; (3) accept real or personal property donations of any value through U.S. Customs and Border Protection’s Donations Acceptance Program under the Cross-Border Trade Enhancement Act of 2016 ( Public Law 114–279 ) or through other public-public or public-private partnership arrangements at any location at which U.S. Customs and Border Protection operates; and (4) designate any leasing action as exempt from Federal lease scoring rules. 110. National Guard support to secure the southern border and reimbursement of States for deployment of the National Guard at the southern border (a) In general With the approval of the Secretary of Defense, the Secretary of Homeland Security, or 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, along the southern border for the purposes of assisting U.S. Customs and Border Protection to secure the southern border. (b) Assignment of operations and missions (1) In general National Guard units and personnel deployed under subsection (a) may be assigned such operations and missions specified in subsection (c) as may be necessary to secure the southern border. (2) Nature of duty The duty of National Guard personnel performing operations and missions described in paragraph (1) shall be full-time duty under title 32, United States Code. (c) Range of operations and missions The operations and missions assigned under subsection (b) shall include the temporary authority to— (1) construct reinforced fencing or other barriers; (2) conduct ground-based surveillance systems; (3) operate unmanned and manned aircraft; (4) provide radio communications interoperability between U.S. Customs and Border Protection and State, local, and tribal law enforcement agencies