; (2) separately identify cumulative amounts for acquisition costs, technical refresh, and other enhancements in order to identify the total baselined and re-baselined costs for each system; and (3) account for the way funds are being used when reporting to managers, Congress, and other stakeholders. (b) Report Not later than 1 year after the date of enactment of this Act, and biennially thereafter, the Administrator shall submit to the appropriate committees of Congress a report on the progress made toward implementing the requirements under subsection (a). 4113. Equipage mandates (a) In general Before NextGen-related equipage mandates are imposed on users of the national airspace system, the Administrator, in collaboration with relevant stakeholders, shall— (1) provide a statement of estimated costs and benefits based on mature and stable technical specifications; and (2) create a schedule for Administration de­liv­er­a­bles and investments by both the users and the Administration, including for procedure and airspace design, infrastructure deployment, and training. 4114. Workforce (a) In general Not later than 1 year after the date of enactment of this Act, the Administrator shall— (1) identify and assess barriers to attracting, developing, training, and retaining a talented workforce in the areas of systems engineering, architecture, systems integration, digital communications, and cybersecurity; (2) develop a comprehensive plan to attract, develop, train, and retain talented individuals in those fields