; and (2) not fewer than 1,200 CBP processing coordinators. (b) CBP officers In addition to positions authorized before the date of the enactment of this section and any existing officer vacancies within CBP as of such date, the Commissioner shall, not later than September 30, 2025, hire, train, and assign to duty sufficient CBP officers to maintain an active duty presence of— (1) not fewer than 27,725 full-time equivalent officers; and (2) the required associated full-time support staff distributed among all United States ports of entry. (c) Air and marine operations Not later than September 30, 2025, the Commissioner shall hire, train, and assign agents for Air and Marine Operations of CBP to maintain not fewer than 1,675 full-time equivalent agents. (d) CBP K–9 units and handlers (1) K–9 units Not later than September 30, 2025, the Commissioner shall deploy not fewer than 200 new K–9 units, with supporting officers of CBP and other required staff, at land ports of entry and checkpoints, along the northern and southern borders of the United States. (2) Use of canines The Commissioner shall prioritize the use of K–9 units at the primary inspection lanes at land ports of entry and checkpoints. (e) CBP tunnel detection and remediation Not later than September 30, 2025, the Commissioner shall increase by not fewer than 50 the number of CBP officers assisting task forces and activities related to— (1) the deployment and operation of border tunnel detection technology; (2) the apprehension of individuals using such tunnels for— (A) unlawfully entering the United States; (B) drug trafficking; or (C) human smuggling; and (3) the remediation of such illicit tunnels. (f) Agricultural specialists In addition to the officers and agents authorized under subsections (a) through (e), by September 30, 2025, the Commissioner shall carry out section 4 of the Protecting America’s Food and Agriculture Act of 2019 ( Public Law 116–122