; and (5) by striking subsection (i) and inserting the following: (i) Repair of certain damages and infrastructure The amounts made available to carry out this section may be used to pay the cost of repairing damage caused, or any infrastructure to mitigate a risk posed, to a defense access road by recurrent or projected recurrent flooding, sea level fluctuation, a natural disaster, or any other current or projected change in applicable environmental conditions, if the Secretary determines that continued access to a military installation, defense industry site, air or sea port necessary for or planned to be used for the deployment or sustainment of members of the Armed Forces, equipment, or supplies, or to a source of raw materials, has been or is projected to be impacted by those events or conditions. . (b) Study on certain threats to military installation resilience (1) Study (A) In general Not later than March 1, 2020, the Secretary of Defense shall complete a comprehensive study, to be conducted by the Director of the Engineer Research and Development Center of the Army Corps of Engineers, on the risks posed by coastal or inland flooding, mean sea level fluctuation, and storm surge to the military installation resilience of military installations and State-owned installations of the National Guard that the Secretary determines are vulnerable to those risks. (B) Coordination The study under subparagraph (A) shall be conducted in coordination with other elements of the Army Corps of Engineers, other Federal agencies, and State, local, and tribal officials to ensure consistency with other plans or pre-disaster and risk mitigation measures being planned or taken in the areas within the scope of the study. (2) Risk mitigation measures The study required by paragraph (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