; (ii) aerodrome safety and certification; (iii) aviation system certification activities based on Federal Aviation Administration regulations and requirements; (iv) cybersecurity efforts to protect United States aviation ecosystem components and facilities; (v) operation and maintenance of air navigation system equipment, procedures, and personnel; or (vi) training and exercises in support of aviation safety, efficiency, and security. . (3) Validation of powered-lift aircraft In carrying out section 40104(d) of title 49, United States Code (as amended by this Act), the Administrator shall ensure coordination with international civil aviation authorities regarding the establishment of mutual processes for efficient validation, acceptance, and working arrangements of certificates and approvals for powered-lift aircraft, products, and articles. (4) Report on international validation program performance (A) In general Not later than 2 years after the date of enactment of this Act, the Secretary shall initiate a review to evaluate the performance of the type certificate validation program of the FAA under bilateral or multilateral aviation safety agreements, with a focus on agreed to implementation procedures. (B) Contents In conducting the review under subparagraph (A), the Secretary shall consider, at minimum, the following: (i) Actions taken for the purposes of carrying out section 243(a) of the FAA Reauthorization Act of 2018 ( 49 U.S.C. 44701 note). (ii) Metrics from validation programs carried out prior to the initiation of such review, including the number and types of projects, timeline milestones, and trends relating to the repeated use of non-basic criteria. (iii) Training on the minimum standards of established validation work plans, including any guidance on the level of involvement of the validating authority, established justifications for involvement, and procedures for compliance document requests. (iv) The perspectives of— (I) FAA employees responsible for type validation projects