; or (3) 180 days after the date of the enactment of this Act. (b) Secretary of the Air Force report The report of the Secretary described in subsection (a)(1) shall include the following: (1) The purpose of the attendance of Air Force enlisted personnel at Air Force officer professional military education in-residence courses. (2) The objectives for the attendance of such enlisted personnel at such officer professional military education courses. (3) The required prerequisites for such enlisted personnel to attend such officer professional military education courses. (4) The process for selecting such enlisted personnel to attend such officer professional military education courses. (5) The impact of the attendance of such enlisted personnel at such officer professional military education courses on the availability of officer allocations for the attendance of officers at such courses. (6) The impact of the attendance of such enlisted personnel at such officer professional military education courses on the morale and retention of officers attending such courses. (7) The resources required for such enlisted personnel to attend such officer professional military education courses. (8) The impact on unit and overall Air Force manning levels of the attendance of such enlisted personnel at such officer professional military education courses, especially at the statutorily-limited end strengths of grades E–8 and E–9. (9) The extent to which graduation by such enlisted personnel from such officer professional military education courses is a requirement for Air Force or joint assignments. (10) The planned assignment utilization for Air Force enlisted graduates of such officer professional military education courses. (11) Any other matters in connection with the attendance of such enlisted personnel at such officer professional military education courses that the Secretary considers appropriate. (c) Comptroller General of the United States report (1) In general Not later than 90 days after the date the Secretary submits