1. Short title; table of contents (a) Short title This Act may be cited as the Three-Year Border and DACA Extension Act . (b) Table of contents The table of contents for this Act is as follows: Sec. 1. Short title; table of contents. TITLE I—Border Security Sec. 101. Authorization of appropriations. Sec. 102. Operations and support. TITLE II—DACA Extension Sec. 201. Provisional protected presence for young individuals. I Border Security 101. Authorization of appropriations There is authorized to be appropriated a total of $7,639,000,000 to the Department of Homeland Security for fiscal years 2018 through 2020 for the purpose of improving border security. 102. Operations and support (a) Purpose It is the purpose of this section to establish a Border Security Enforcement Fund (referred to in this section as the Fund ), to be administered through the Department of Homeland Security and, in fiscal year 2018 only, through the Department of State, to provide for costs necessary to implement this Act and other Acts related to border security for activities, including— (1) constructing, installing, deploying, operating, and maintaining tactical infrastructure and technology in the vicinity of the United States border— (A) to achieve situational awareness and operational control of the border; and (B) to deter, impede, and detect illegal activity in high traffic areas; and (C) to implement other border security provisions under this section; (2) implementing port of entry provisions under this section; (3) purchasing new aircraft, vessels, spare parts, and equipment to operate and maintain such craft