aircraft or other similar activity. (C) Search, seizure, and detention of suspects. (D) Construction of roads, fences, and vehicle barriers. (E) Search and rescue operations. (F) Intelligence gathering, surveillance, and reconnaissance. (G) Aviation support. (2) Governor of a State The term Governor of a State means, in the case of the District of Columbia, the Commanding General of the National Guard of the District of Columbia. (3) State The term State means each of the several States, the District of Columbia, the Commonwealth of Puerto Rico, or a territory or possession of the United States. . (c) Clerical amendment The table of sections at the beginning of chapter 1 of such title is amended by inserting after the item relating to section 112 the following new item: 112a. Border control activities. . 4. Smart border technology If the Secretary of Homeland Security determines that there are areas along the international border between the United States and Mexico with respect to which operational control has not been achieved and maintained, the Secretary is authorized to deploy smart border technologies, such as seismic detectors and unmanned aerial vehicles to such areas to achieve and maintain operational control over such areas. 5. Transfer of used military equipment to Federal, State, and local agencies (a) In general Not later than one year after eligible equipment returns to the United States, and in accordance with subsections (b) and (c) of section 2576a of title 10, United States Code, the Secretary of Defense may transfer such eligible equipment to Federal, State, and local agencies. (b) Preference (1) Transfers under this section In considering applications for the transfer of eligible equipment under subsection (a), the Secretary of Defense may give preference to Federal, State, and local agencies that will use such eligible equipment primarily for the purpose of strengthening border security along the international border between the United States and Mexico. (2) Transfers generally Section