; and (2) establish processes to document and track the progress of such veterans under the pilot program in terms of the benefits and improvements noted as a result of the pilot program. (g) GAO briefing and study (1) Briefing Not later than one year after the date on which the Secretary commences the pilot program under subsection (a), the Comptroller General of the United States shall provide to the Committees on Veterans’ Affairs of the House of Representatives and the Senate a briefing on the methodology established for the pilot program. (2) Report Not later than 270 days after the date on which the pilot program terminates, the Comptroller General shall submit to the committees specified in paragraph (1) a report on the pilot program. Such report shall include an evaluation of the approach and methodology used for the pilot program with respect to— (A) helping veterans with severe post-traumatic stress disorder return to civilian life; (B) relevant metrics, including reduction in metrics such as reduction in scores under the post-traumatic stress disorder checklist (PCL–5), improvement in psychosocial function, and therapeutic compliance