; and (6) an analysis of the extent to which the Department of Defense and each military department is capable of achieving negative net zero on military installations for the purpose of offsetting operational activities not capable of achieving net zero, and the anticipated funding requirements, statutory requirements, infrastructure needs, and timeframes for reaching these goals. (c) Form of report The report required under this section shall be submitted in unclassified form, but may contain a classified annex. 3. Comptroller General report on operational energy usage (a) In general Not later than one year after the date of the enactment of this Act, the Comptroller General of the United States shall submit to the Committees on Armed Services of the Senate and House of Representatives a report on Department of Defense operational energy usage, including an agency-wide view and breakdowns of progress by service branch. (b) Contents of report The report required under subsection (a) shall include— (1) an analysis of the extent to which the Department of Defense developed an integrated operational energy strategy and the extent to which each of the military departments has implemented such strategy; (2) an analysis of the challenges in implementing net zero initiatives or meeting net zero goals pertaining to operational energy; (3) an analysis of the extent to which net zero initiatives can be applied to operational energy management without negatively impacting mission capability; (4) an analysis of fossil fuel reduction regimes that may maximize reduction of reliance on fossil fuels without achieving net zero