STRATCOM Nominee Backs More B-21 Bombers, Sidesteps Nuclear Test Resumption

During a recent Senate Armed Services Committee hearing, the nominee to lead U.S. Strategic Command (STRATCOM), Air Force Gen. Stephen Whiting, emphasized the need for more B-21 Raider bombers and reinforced support for nuclear modernization—but carefully avoided taking a position on whether the U.S. should resume underground nuclear testing. His statements reflect broader debates over deterrence strategy amid rising tensions with China and Russia.

Whiting Signals Support for Expanded B-21 Raider Fleet

Gen. Whiting’s endorsement of increasing the number of Northrop Grumman B-21 Raiders aligns with growing concern in defense circles that the U.S. may lack sufficient long-range strike platforms to meet future strategic demands. While the Air Force has only committed publicly to “at least 100” aircraft under current planning assumptions, Whiting told lawmakers that “more than 100” would be necessary to deter peer adversaries effectively.

The B-21 Raider is designed as a dual-capable strategic bomber capable of delivering both conventional and nuclear payloads while penetrating advanced integrated air defense systems (IADS). It will eventually replace both the aging B-1B Lancer and part of the B-2 Spirit fleet under the Long Range Strike-Bomber (LRS-B) program.

Initial low-rate production began in early 2023 following successful ground testing milestones at Northrop Grumman’s Palmdale facility. The first flight occurred in November 2023—delayed from earlier projections—marking a key milestone toward fielding initial operational capability (IOC), expected no earlier than mid-to-late 2026.

Nuclear Modernization Remains Central to STRATCOM Priorities

In his testimony, Whiting reaffirmed STRATCOM’s commitment to modernizing all three legs of the U.S. nuclear triad:

• ICBMs: The Ground-Based Strategic Deterrent (GBSD), now known as Sentinel (developed by Northrop Grumman), is replacing Minuteman III missiles by the early 2030s.
• SSBNs: The Columbia-class ballistic missile submarines are under construction by General Dynamics Electric Boat and Huntington Ingalls Industries to replace Ohio-class boats starting in 2031.
• Bombers: The dual-role B-21 Raider will carry both gravity bombs and future air-launched cruise missiles like the Long Range Stand Off Weapon (LRSO).

The LRSO program—led by Raytheon—is intended to replace AGM-86B ALCMs with a stealthier cruise missile compatible with modern IADS environments. Development remains on schedule for deployment later this decade.

Avoidance on Nuclear Testing Reflects Political Sensitivities

When asked about former President Donald Trump’s reported interest in resuming underground nuclear testing in 2020—which would have broken a decades-long moratorium—Whiting declined to offer an opinion or confirm whether STRATCOM had been directed to prepare for such an event during that period.

The United States has not conducted an explosive nuclear test since September 1992 but maintains readiness through subcritical experiments at Nevada National Security Site and extensive modeling via Stockpile Stewardship programs led by NNSA laboratories (Los Alamos, Sandia, Lawrence Livermore).

Whiting’s noncommittal stance reflects ongoing bipartisan hesitancy around reintroducing explosive tests due to arms control implications and global nonproliferation norms—even as rivals like Russia have withdrawn from treaties such as New START and China expands its warhead stockpile.

Strategic Context: China’s Rise and Russia’s Erosion of Treaties

The push for more bombers—and broader triad modernization—is driven largely by strategic competition with China and Russia:

• China: According to DOD’s 2023 China Military Power Report, Beijing is expected to possess over 1,000 deliverable warheads by 2030 and is fielding new ICBMs like DF-41 along with dual-capable H-6N bombers and Type 096 SSBNs.
• Russia: Moscow continues deploying hypersonic systems like Avangard glide vehicles atop ICBMs while suspending participation in New START inspections since early 2023.

This evolving threat environment has led STRATCOM leadership—including outgoing commander Gen. Anthony Cotton—to argue that traditional numerical parity may no longer be sufficient or relevant when facing two near-peer nuclear competitors simultaneously—a concept often referred to as “deterrence against two.” Whiting echoed this sentiment during his confirmation hearing without specifying force structure changes beyond bomber fleet expansion.

Bomber Flexibility Key Amidst Emerging Technologies

The strategic value of bombers lies not only in their payload capacity but also their signaling flexibility—a key tool during crises short of full-scale conflict. Unlike ICBMs or SSBNs which are largely invisible until launch or detection post-launch, bombers can be forward-deployed or recalled mid-mission.

This flexibility becomes even more critical as adversaries develop counterspace capabilities targeting satellite-based early warning systems or attempt cyber intrusions into command-and-control networks underpinning launch authority chains.

The stealthy nature of platforms like the B-21 also allows them to operate within contested environments where legacy platforms would face prohibitive risk from advanced SAM systems such as Russia’s S-400/S-500 or China’s HQ-9B/HQ-19 families.

AUKUS & Allied Integration Considerations

An emerging dimension of strategic deterrence involves closer integration with allies under frameworks like AUKUS (Australia–UK–US) which includes not only submarine technology transfer but also cooperation on quantum sensing, AI-enabled ISR sharing, hypersonics R&D—and potentially extended deterrence coordination mechanisms.

Bomber basing access agreements—such as those allowing U.S. bombers rotational presence at RAAF Base Tindal—may grow more important as theater-range threats evolve across Indo-Pacific flashpoints including Taiwan Strait and South China Sea corridors.

Conclusion: Strategic Balance Hinges on Credible Delivery Systems

The confirmation hearing underscored how delivery system credibility—not just warhead counts—will shape future deterrence equations. Gen. Whiting’s backing of expanded bomber procurement signals continuity in prioritizing flexible strike options amid rising multipolar threats—even if politically charged topics like test resumption remain off-limits publicly for now.