Charting the New Nuclear Age

Center for a New American Security

The United States Department of War faces severe operational trade-offs as China expands its nuclear arsenal to join Russia as a second nuclear peer threat. High-demand platforms such as strategic bombers and aerial refueling tankers face intense competition between conventional theater strike missions, homeland defense imperatives, and strategic nuclear deterrence signaling.

Tabletop exercises conducted by the Center for a New American Security and the Defense Threat Reduction Agency between 2025 and 2026 demonstrated that uncoordinated, lower-level escalation by Moscow and Beijing can severely strain American forces across two theaters simultaneously. Strategic flexibility collapses under severe asset scarcity. Deferring military support in Europe to concentrate forces in the Indo-Pacific risks alienating NATO partners or triggering unwanted nuclear proliferation among allies. To resolve these dual-theater force constraints, analysts recommend procuring forward-deployed theater nuclear weapons, expanding stealth bomber fleets, and deepening strategic consultations with regional allies.

Comment

The operational friction between nuclear mission assurance and conventional theater strike exposes a fundamental structural trade-off within U.S. Strategic Command. Deploying dual-capable assets like B-2 Spirit bombers to forward locations in the Indo-Pacific reduces the immediate deterrence readiness required for ICBM fields managed out of Malmstrom Air Force Base. Dual-tasking strategic airframes creates an unavoidable dilemma: prioritizing conventional power projection directly degrades airborne nuclear command assets and emergency nuclear command communications. This zero-sum competition for high-demand aerial refueling capabilities, such as KC-46 Pegasus tankers, limits operational endurance during simultaneous crises.

This allocation bottleneck stems from how specialized aircrews and support infrastructure are maintained across theater commands. Maintenance cycles for low-observable coatings on stealth bombers limit aircraft availability rates, preventing rapid reallocation between U.S. European Command and U.S. Indo-Pacific Command. Executing conventional strikes in one theater forces U.S. Global Strike Command to pull B-2 Spirit bombers from strategic alert, leaving Northern Command with reduced conventional bomber cover for homeland defense.

Strategic Question for Discussion

Which factor imposes a sharper operational constraint during a dual-theater conflict — the maintenance turnaround rates of B-2 Spirit bombers or the refueling capacity of KC-46 Pegasus tankers across U.S. European Command and U.S. Indo-Pacific Command?

The available evidence points toward aerial refueling capacity as the primary operational bottleneck, as KC-46 Pegasus tankers must simultaneously support long-range conventional strikes and sustain nuclear alert orbits across multiple geographic commands. While B-2 Spirit maintenance turnaround limits sortie generation, tanker deficits compound across both theaters by restricting the operational radius of tactical and strategic airframes alike. Tanker availability dictates the practical ceiling of dual-theater deterrence far more rapidly than bomber airframe availability.

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