; (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; and (3) with respect to any veteran who decides to keep the dog he or she has personally trained, the Secretary shall continue to collect the data under paragraphs (1) and (2) during the five-year period following the date on which the veteran decides to keep the dog. (f) Comptroller General briefings and report (1) Initial briefing Not later than one year after the date of the commencement of the pilot program under subsection (a), the Comptroller General of the United States shall provide to the Committee on Veterans’ Affairs of the Senate and the Committee on Veterans’ Affairs of the House of Representatives a briefing on the methodology established for the pilot program. (2) Follow-up briefing Not later than two years after the briefing on the methodology established for the pilot program under paragraph (1), the Comptroller General shall provide to the committees specified in paragraph (1) a briefing that includes— (A) an assessment of the elements required for the report under paragraph (3)(B); and (B) if there are any such elements that cannot be included in the briefing— (i) an explanation as to why those elements cannot be included; and (ii) such recommendations as the Comptroller General may have to improve the pilot program to ensure such elements will be included in the report. (3) Final report (A) In general 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. (B) Elements The report required by subparagraph (A) shall include an evaluation of the approach and methodology used for the pilot program with respect to— (i) helping veterans with post-traumatic stress disorder return to civilian life