; (ii) commercial operators; and (iii) general aviation operators. (3) Implementation and follow-up (A) Action plan The Administrator shall take such actions as are necessary to implement the action plan developed pursuant to this section. (B) Coordination In implementing the action plan under subparagraph (A), the Administrator shall coordinate with relevant stakeholders, including airspace users and the Secretary of Defense, to ensure effective implementation of such action plan, and ongoing collaboration in addressing airspace access challenges. (C) Progress reports The Administrator shall provide to the appropriate committees of Congress periodic briefings on the implementation of the action plan developed under this subparagraph (A), including updates on— (i) the adoption of streamlined procedures; (ii) technological enhancements; and (iii) any regulatory changes necessary to improve airspace access and flexibility. 605. FAA contract tower workforce audit (a) In general Not later than 120 days after the date of enactment of this Act, the inspector general of the Department of Transportation shall initiate an audit of the workforce needs of the Contract Tower Program, as established under section 47124 of title 49, United States Code. (b) Contents In conducting the audit required under subsection (a), the inspector general shall, at a minimum— (1) review the assumptions and methodologies used in assessing FAA contract towers staffing levels and determine the adequacy of staffing levels at such towers; (2) evaluate the supply and demand of trained and certificated personnel prepared for work and such towers; (3) examine efforts to establish an air traffic controller training program or curriculum to allow contract tower contractors to conduct— (A) initial training of controller candidates employed or soon to be employed by such contractors who do not have a Control Tower Operator certificate or a FAA tower credential