((a)) ** Reporting requirements**

((1)) ** Phase 1** Upon receiving a concept definition study under phase 1 of the joint nuclear weapons life cycle for the W93 nuclear weapon, the Nuclear Weapons Council shall submit to the congressional defense committees a report that includes the following:

((A)) A description of the potential military characteristics of the weapon.

((B)) A description of the stockpile-to-target sequence requirements of the weapon.

((C)) An initial assessment of the requirements a W93 nuclear weapon program is likely to generate for the nuclear security enterprise, including—

((i)) adjustments to the size and composition of the workforce;

((ii)) additions to existing weapon design and production capabilities; or

((iii)) additional facility recapitalization or new construction.

((D)) A preliminary description of other significant requirements for a W93 nuclear weapon program, including—

((i)) first production unit date;

((ii)) initial operational capability date;

((iii)) full operational capability date; and

((iv)) any unique safety and surety requirements that could increase design complexity or cost estimate uncertainty.

((2)) ** Phase 2**

((A)) ** In general** Not later than 15 days after the date on which the Nuclear Weapons Council approves phase 2 of the joint nuclear weapons life cycle for the W93 nuclear weapon, the Administrator shall provide to the congressional defense committees a briefing on a plan to implement a process of independent peer review or review by a board of experts, or both, with respect to—

((i)) the nonnuclear components of the weapon;

((ii)) subsystem design; and

((iii)) engineering aspects of the weapon.

((B)) ** Requirements for process** The Administrator shall ensure that the process required by subparagraph (A)—

((i)) uses—

((I)) all relevant capabilities of the Federal Government, the defense industrial base, and institutions of higher education; and

((II)) other capabilities that the Administrator determines necessary; and

((ii)) informs the entire development life cycle of the W93 nuclear weapon.

((b)) ** Certifications and reports at phase 3** Not later than 15 days after the date on which the Nuclear Weapons Council approves phase 3 of the joint nuclear weapons life cycle for the W93 nuclear weapon—

((1)) the Administrator shall provide to the congressional defense committees a briefing that includes certifications that——

((A)) phases 1 through 5 of the joint nuclear weapons life cycle for the weapon will employ, at a minimum, the same best practices and will provide Congress with the same level of programmatic insight as exists under the phase 6.X process for life extension programs; and

((B)) the proposed design for the weapon can be carried out within estimated schedule and cost objectives; and

((2)) the Commander of the United States Strategic Command shall submit to the congressional defense committees a report containing, or provide to such committees a briefing on, the requirements for weapon quantity and composition by type for the sub-surface ballistic nuclear (SSBN) force, including such requirements planned for the 15-year period following the date of the report or briefing, as the case may be, including any planned life extensions, retirements, or alterations.

((c)) ** Waivers** Subsections (a) and (b) may be waived during a period of war declared by Congress after .January 1, 20212021-01-01

((d)) ** Joint nuclear weapons life cycle defined** In this section, the term “joint nuclear weapons life cycle” has the meaning given that term in .section 2538b of this title