(1)(A) shall include the identification of and recommendations concerning ongoing or potential risk mitigation measures, including on lands and waters not under the jurisdiction of the Department of Defense, including authorized projects of the Army Corps of Engineers and current or potential projects under the Continuing Authorities Program of the Corps of Engineers, that would contribute to preserving or enhancing the military installation resilience of military installations and State-owned installations of the National Guard within the scope of the study. (3) Barriers to maintaining and enhancing resilience The study required by paragraph (1)(A) shall identify institutional, administrative, legislative, and other barriers to preserving and enhancing the military installation resilience of the installations determined by such study to be vulnerable to the risks posed by coastal or inland flooding, sea level rise, or storm surge. (4) Reports (A) Initial report Not later than one year after the date of the enactment of this Act, the Secretary of Defense shall submit to the congressional defense committees a report providing the status of, interim results for, and an expected completion date for the study required by paragraph (1)(A). (B) Final report Not later than two years after the date of the enactment of this Act, the Secretary shall submit to the congressional defense committees a final report on the study required by paragraph (1)(A). (5) Definitions In this subsection: (A) Congressional defense committees