; (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; and (5) construct checkpoints along the southern border to bridge the gap to long-term permanent checkpoints. (d) Materiel and logistical support The Secretary of Defense shall deploy such materiel and equipment, and logistical support as may be necessary to ensure success of the operations and missions conducted by the National Guard under this section. (e) Exclusion from national guard personnel strength limitations National Guard personnel deployed under subsection (a) shall not be included in— (1) the calculation to determine compliance with limits on end strength for National Guard personnel