; and (ii) any potential growth in the end-strength levels of the Armed Forces and major military force units in the event of the emergence of new threats to the security of the United States or a national emergency, contingency operation, or declaration of war. (B) The categories of excess infrastructure and infrastructure capacity. (3) Special considerations In determining the level of necessary and excess infrastructure in the infrastructure inventory, the Secretary shall consider the following: (A) The anticipated and continuing need for and availability of military installations outside the United States, taking into account current restrictions on the use of military installations outside the United States and the potential for future prohibitions or restriction on the use of such military installations. (B) Any efficiencies that may be gained from joint tenancy by more than one branch of the Armed Forces at a military installation. (c) Required report to congress As part of the budget justification documents submitted to Congress in support of the budget request for the Department of Defense for fiscal year 2019, the Secretary shall submit a report to Congress that includes, at a minimum, the following elements: (1) The force structure plan. (2) The infrastructure inventory. (3) The certification required by subsection (d). (4) An economic analysis of the effect of the consolidation, closure, or realignment of military installations to reduce excess infrastructure capacity. (5) The standard rules that would be used to calculate annual recurring savings for manpower base operating costs, utility costs, base closure guarantees, service-sharing agreements, and other installation support activities that the Secretary will use in developing recommendations for the consolidation, closure, or realignment of military installations. (d) Revision of force structure plan and infrastructure inventory (1) Revision authorized The Secretary may revise the force structure plan and infrastructure inventory. (2) Submission