; (F) an assessment of modifications needed to maximize usage of facilities that offer unique and highly specialized benefits to the aerospace industry and the American public; and (G) implementation steps, including a timeline, milestones, and an estimate of resources required for carrying out the plan. (d) Requirement to establish policy (1) In general Not later than 180 days after the date of enactment of this Act, the Administrator shall establish and make publicly available a policy that guides the Administration’s use of existing authorities to out-grant, lease, excess to the General Services Administration, sell, decommission, demolish, or otherwise transfer property, facilities, or infrastructure. (2) Criteria The policy shall include criteria for the use of authorities, best practices, standardized procedures, and guidelines for how to appropriately manage property, facilities, and infrastructure. (e) Submission to Congress Not later than 1 year after the date of enactment of this Act, the Administrator shall submit to the appropriate committees of Congress the plan developed under subsection (c). 838. Human space flight accident investigations Section 70702 of title 51, United States Code, is amended— (1) by amending subsection (a)(3) to read as follows: (3) any other orbital or suborbital space vehicle carrying humans that is— (A) owned by the Federal Government; or (B) being used pursuant to a contract or Space Act Agreement with the Federal Government for carrying a government astronaut or a researcher funded by the Federal Government; or