(a) Annual report
(1) In general
Not later than 180 days after the date of the enactment of this Act, and on an annual basis thereafter, the Secretary of Defense shall submit to the congressional defense committees a report on vulnerabilities to military installations and combatant commander requirements resulting from extreme weather.
(2) Consideration
In developing the first report required under paragraph (1), the Secretary shall—
consider the report submitted under section 335(c) of the National Defense Authorization Act for Fiscal Year 2018 ( Public Law 115–91 ; 131 Stat. 1358); and
expand upon the elements described in subsection (c) of such section that were included in such report.
(b) Elements
The report required by subsection (a) shall include the following:
An assessment of how extreme weather affects—
low-lying military installations;
military installations under the jurisdiction of the Secretary of the Navy;
military installations located outside the United States;
the ability of members of the Armed Forces to use training ranges on military installations; and
housing safety and food security on military installations.
With respect to military installations located outside the United States, an assessment of the collaboration between the Department and the military or civilian agencies of the government of that country or nongovernmental organizations operating in that country to adapt to risks from extreme weather.
An assessment of the strategic benefits to the national defense of the United States derived from—
the segregation of Department infrastructure located in the United States from the national electric grid; and
the use of energy-efficient, distributed, and smart power grids by the Armed Forces in the United States and overseas to ensure affordable access to electricity.
For each military department, a list of the ten military installations under the jurisdiction of the department that are most vulnerable to extreme weather based on the effects of—
geographic location;
rising sea tides and sea levels;
increased flooding;
drought;
desertification;
wildfires;
thawing permafrost; and
such other categories as the Secretary determines necessary.
A summary of efforts to mitigate the effects listed in subparagraphs (A) through (H) of paragraph (4), in addition to efforts undertaken by the Department as of the date of the enactment of this section, that the Secretary determines may be necessary to—
ensure the continued operational viability of the military installations identified under such paragraph; and
increase the resilience of such military installations.
An estimation of the costs to the United States of such the efforts described in paragraph (5).
An assessment of how adapting to extreme weather affects the readiness of the Armed Forces to address the threats posed by Russia, China, Iran, North Korea, and violent extremism.
(c) Form
Each report required by subsection (a) shall be submitted in unclassified form but may contain a classified annex.
(d) Publication
Upon submission of a report required by subsection (a), the Secretary of Defense shall publish the unclassified portion of the report on a publicly-available Internet website of the Department of Defense.
(e) United States defined
In this section, the term United States means the several States, the District of Columbia, and any territory or possession of the United States.