The Pentagon is working on a new nuclear weapons strategy intended to guide U.S. planning in the event of a major conflict involving either Russia or China. According to separate reports referencing the proposal, the strategy is framed around how the United States would deter and, if necessary, respond to nuclear threats and broader military escalation in different scenarios involving those two countries. The coverage indicates the document is meant to update or refine existing guidance by laying out assumptions, priorities, and planning considerations for nuclear forces and related capabilities. While details of specific force changes are not provided in the brief summaries available, both sources emphasize that the effort focuses on preparing for worst-case war conditions, rather than routine peacetime posture. The reporting also suggests the strategy reflects broader U.S. concerns about the nuclear environment and the possibility of escalation during conflicts in which Washington could face both traditional and nuclear-related risks. No outlet-authored specifics are included here regarding timelines, congressional approval, or the exact wording of the strategy.