; (B) that is missing or has rust, corrosion, cracked welds, cracked or fractured vertical members, or cuts or tears in any underride guard component; or (C) for which the dimensional integrity of the guard or protection is compromised. . 5. Research and periodic review of underride guard standards (a) Request for Proposals As soon as practicable, the Secretary of Transportation shall issue a Request for Proposals for the design of 2 high capacity rear underride barrier prototypes of a generic guard (with energy absorption and without energy absorption) to prevent underride crashes and protect motor vehicle passengers against severe injury at crash speeds of up to 65 miles per hour. (b) Evaluation The Secretary shall— (1) evaluate the proposals received in response to the Request for Proposals issued pursuant to subsection (a); and (2) update the underride guard standards under section 30129 of title 49, United States Code, as appropriate, to provide the best underride protection that is technologically feasible. (c) Periodic reviews (1) In general Not later than 5 years after the underride guard standards are updated pursuant to subsection (b)(2), and every 5 years thereafter, the Secretary shall— (A) conduct a review of underride guard standards to evaluate the need for changes in response to advancements in technology; and (B) update such standards accordingly. (2) Report After each review conducted under this section, the Secretary shall submit to the Committee on Commerce, Science, and Transportation of the Senate and the Committees on Transportation and Infrastructure and Energy and Commerce of the House of Representatives a report on the results of the review. 6. Committee on Underride Protection (a) Establishment The Secretary of Transportation shall establish the Committee on Underride Protection (referred to in this section as the Committee ) to oversee the ongoing underride rulemaking process. (b) Representation The Committee shall be composed of— (1) truck and trailer manufacturers