; Out-Year inventory numbers (a) Annual reports At the same time each year that the budget for the fiscal year beginning in such year is submitted to Congress pursuant to section 1105(a) of title 31, the chief of staff of each armed force (other than the Coast Guard) shall submit to the congressional defense committees a report setting forth for such armed force each of the following for such fiscal year, broken out as specified in subsection (b): (1) The Out-Year Unconstrained Total Munitions Requirement. (2) The Out-Year inventory numbers. (b) Presentation The Out-Year Unconstrained Total Munitions Requirement and Out-Year inventory numbers for an armed force for a fiscal year pursuant to subsection (a) shall include specific inventory objective requirements for each variant of munitions with respect to each of the following: (1) Combat Requirement, broken out by operation plan (OPLAN). (2) Current Operation/Forward Presence Requirement. (3) Strategic Readiness Requirement. (4) Homeland Defense. (5) Training and Testing Requirement. (6) Total Out-Year Unconstrained Total Munitions Requirement, calculated in accordance with the implementation guidance described in subsection (c). (7) Out-year worldwide inventory. (c) Implementation guidance used In submitting information pursuant to subsection (a) for a fiscal year, the chief of staff of each armed force shall describe and explain the munitions requirements process implementation guidance developed by the Under Secretary of Defense for Acquisition and Sustainment and used by such armed force for the munitions requirements process for such armed force for that fiscal year. (d) Definitions In this section: (1) The term chief of staff , with respect to the Marine Corps, means the Commandant of the Marine Corps. (2) The term Out-Year Unconstrained Total Munitions Requirement has the meaning given that term in and for purposes of Department of Defense Instruction 3000.04, or any successor instruction. . (b) Clerical amendment The table of sections at the beginning of