; (2) determine how a technology refresh of legacy sensor equipment can reduce operational and maintenance costs of surface surveillance systems compared to current costs and extend the useful life and affordability of such systems; and (3) consider how to enhance such systems through new capabilities and software tools that improve the safety of terminal airspace and the airport surface. (c) Consultation In carrying out the review under subsection (a), the Administrator shall consult with— (1) aviation safety experts with specific knowledge of surface surveillance technology, including multilateration and automatic dependent surveillance-broadcast; (2) representatives of the exclusive bargaining representative of the air traffic controllers certified under section 7111 of title 5, United States Code, with expertise in surface safety; and (3) representatives of the exclusive bargaining representative of airway transportation systems specialists of the FAA certified under section 7111 of title 5, United States Code. (d) Briefing Upon completion of the review under subsection (a), the Administrator shall brief the appropriate committees of Congress on the findings of such review. (e) Implementation The Administrator may implement changes to surface surveillance systems consistent with the findings of the review described in subsection (d). 618. Consideration of third-party services (a) Plans and policy Section 44501 of title 49, United States Code, is amended— (1) in subsection (a) by striking development and location of air navigation facilities and inserting development of air navigation facilities and services ; and (2) in subsection (b)— (A) by striking and development and inserting procurement, and development each place it appears; (B) in paragraph (1) by striking facilities and equipment and inserting facilities, services, and equipment ; (C) in paragraph (2)— (i) in the matter preceding subparagraph (A) by striking first and 2d years and inserting first and second years