inventory requirements for A–10 aircraft. Sec. 138. Procurement authority for over-the-horizon radar systems. Sec. 139. Prohibition on availability of funds for retirement of KC–135 aircraft. Sec. 140. Prohibition on reduction of KC–135 aircraft in PMAI of the reserve components. Sec. 141. Limitation on issuance of acquisition strategy for the KC–135 recapitalization program. Sec. 142. Prohibition on certain reductions to inventory of E–3 airborne warning and control system aircraft. Sec. 143. Prohibition on availability of funds for termination of production lines for the HH–60W aircraft. Sec. 144. Limitation on retirement of F–16C/D aircraft. Sec. 145. Limitation on procurement of KC–46A aircraft. Sec. 146. Limitation on actions relating to remote vision systems of KC–46A aircraft. Sec. 147.  Limitation on retirement of T–1A training aircraft. Sec. 148. Plan for long-term Air Force fighter force structure. Subtitle E—Defense-wide, Joint, and Multiservice Matters Sec. 151. Annual report on force structure changes exhibit for the defense budget. Sec. 152. Multiyear procurement authority for domestically processed critical minerals. Sec. 153. Prohibition on solicitation of proprietary armor for certain tactical vehicles. Sec. 154. Prohibition on availability of funds for procurement of certain batteries. Title II—RESEARCH, DEVELOPMENT, TEST, AND EVALUATION Subtitle A—Authorization of Appropriations Sec. 201. Authorization of appropriations. Subtitle B—Program Requirements, Restrictions, and Limitations Sec. 211. Annual report on unfunded priorities of the Under Secretary of Defense for Research and Engineering. Sec. 212. Delegation of responsibility for certain research programs. Sec. 213. Modification to personnel management authority to attract experts in science and engineering. Sec. 214. Clarifying role of partnership intermediaries to promote defense research and education. Sec. 215. Naval Air Warfare Rapid Capabilities Office. Sec. 216. Modification of support for research and development of bioindustrial