; (B) front line managers of the air traffic control system; (C) managers and employees responsible for training air traffic controllers; (D) the MITRE Corporation; (E) the Chief Operating Officer of the Air Traffic Organization of the FAA, and other Federal Government representatives; (F) users and operators in the air traffic control system; (G) relevant industry representatives; and (H) other parties determined appropriate by the Transportation Research Board of the National Academies. (c) Required implementation of identified staffing model (1) Use of staffing model The Administrator shall, as appropriate, take such action that may be necessary to implement and use the staffing model identified by the Transportation Research Board pursuant to subsection (b)(1)(D), including any recommendations for improving such model, not later than one year after enactment of this Act. (2) Briefing Not later than 90 days after taking such actions to implement and use the staffing model identified by the Transportation Research Board pursuant to subsection (b)(1)(D), the Administrator shall brief the appropriate committees of Congress regarding the reasons for why any recommendation by the Transportation Research Board study was not incorporated into the implemented staffing model. (d) Revised staffing standards The Administration shall revise the FAA CPC operational staffing standards of the Administration implemented under subsection (c) to— (1) provide that the controller and management workforce is sufficiently staffed to safely and efficiently manage and oversee the air traffic control system; (2) account for the target number of CPCs able to control traffic at each independent facility