; (B) through the use of Department unclassified and classified information sharing systems, including the Homeland Security Information Sharing Network and the Homeland Secure Data Network, or any successor systems; and (C) through any additional means. (2) The performance metrics to be used to measure success in achieving the goals and objectives referred to in paragraph (1). (3) A five-year plan for continued engagement with fusion centers. . 3. Office of Intelligence and Analysis field personnel support to fusion centers (a) Performance metrics Not later than 180 days after the date of the enactment of this Act, the Under Secretary for Intelligence and Analysis of the Department of Homeland Security shall— (1) consider the effectiveness of existing processes to identify and prepare field personnel for deployment to support fusion centers and internal mechanisms to ensure oversight and accountability of such field personnel, including field personnel assigned to one center and field personnel assigned to multiple centers; and (2) publish and disseminate performance metrics, taking into account, as appropriate, regional and threat diversity, for— (A) field personnel from the Office of Intelligence and Analysis assigned to an individual fusion center; (B) field personnel from the Office of Intelligence and Analysis assigned to multiple fusion centers