; and (B) develop preliminary benchmarks, based on current scientific understanding and the historical record, for measuring solar disturbances. (2) Final Not later than 18 months after the date the preliminary benchmarks are developed under paragraph (1), the space weather interagency working group shall publish final benchmarks. (3) Review The Administrator of the National Aeronautics and Space Administration shall contract with the National Academy of Sciences to review the benchmarks established under paragraph (2). (4) Revisions The space weather interagency working group shall update and revise the final benchmarks under paragraph (2), as necessary, based on— (A) the results of the review under paragraph (3); (B) any significant new data or advances in scientific understanding that become available; or (C) the evolving needs of entities impacted by solar disturbances. 4. Protection of critical infrastructure (a) In general The Administrator of the National Oceanic and Atmospheric Administration, in consultation with the heads of other relevant Federal agencies, shall provide information about space weather hazards to the Secretary of Homeland Security for purposes of this section. (b) Critical infrastructure The Secretary of Homeland Security, in consultation with sector-specific agencies, the Administrator of the National Oceanic and Atmospheric Administration, and the heads of other relevant agencies, shall— (1) include, in meeting national critical infrastructure reporting requirements, an assessment of the vulnerability of critical infrastructure to space weather events, as described by the space weather benchmarks under section 3