Sec. 3120. Modification of minor construction threshold for plant projects. Sec. 3121. Modifications relating to unfunded priorities of the National Nuclear Security Administration. Sec. 3122. Limitation on establishing an enduring bioassurance program within the National Nuclear Security Administration. Sec. 3123. Modification of reporting requirements for uranium capabilities replacement project. Sec. 3124. Prohibition on availability of funds for naval nuclear fuel systems based on low-enriched uranium. Sec. 3125. Prohibition on availability of funds to reconvert or retire W76–2 warheads. Sec. 3126. Limitation on availability of funds pending submittal of spend plan for development of sea-launched cruise missile warhead. Sec. 3127. Deadlines for commencement of operations of certain atomic energy replacement projects. Sec. 3128. Integrated schedule for future-years nuclear security program. Subtitle C—Other Matters Sec. 3131. U.S. nuclear fuel security initiative. Sec. 3132. Updated financial integration policy. Sec. 3133. Plan for domestic enrichment capability to satisfy Department of Defense uranium requirements. Sec. 3134. Briefings on implementation of enhanced mission delivery initiative. A National Security Programs and Authorizations 3101. National Nuclear Security Administration (a) Authorization of appropriations Funds are hereby authorized to be appropriated to the Department of Energy for fiscal year 2024 for the activities of the National Nuclear Security Administration in carrying out programs as specified in the funding table in section 4701. (b) Authorization of new plant projects From funds referred to in subsection (a) that are available for carrying out plant projects, the Secretary of Energy may carry out new plant projects for the National Nuclear Security Administration as follows: Project 24–D–513, Z-Pinch Experimental Underground System Test Bed Facilities Improvement, Nevada National Security Site, Nye County, Nevada, $80,000,000. Project 24–D–512, TA–46 Protective Force Facility, Los