"The U.S. could face an existential threat as early as 2027."

"The U.S. could face an existential threat as early as 2027." That was one of the most striking takeaways from Assistant Secretary of Defense Bob Kadlec's remarks at the 2026 Medical CBRN Defense Consortium (MCDC) and Countering Weapons of Mass Destruction (CWMD) annual meeting this month.

 A few themes stood out:

The threat environment is changing rapidly.

Kadlec pointed to the bipartisan 2023 Strategic Posture Review which concludes that for the first time the U.S. now faces a two-peer nuclear challenge involving both China and Russia, while continuing to contend with emerging chemical and biological threats. Kadlec called the report "so stark, so profound and so startling" that he personally verified with six of its twelve commissioners whether they truly meant what they wrote. They did.

Medical countermeasure gaps remain significant.

Using the current hantavirus outbreak as an example, Kadlec highlighted the lack of broad-spectrum antiviral capabilities and emphasized the need for stronger coordination between DoD and HHS through the Public Health Emergency Medical Countermeasures Enterprise (PHEMCE).

Operation Warp Speed remains a model worth replicating.

As one of its architects, Kadlec argued that the speed, flexibility, and public-private partnership approach used during COVID-19 should inform future development of diagnostics, therapeutics, and other medical countermeasures. He described his goal as a " warp speed for countermeasures" utilizing the Other Transaction Authorities (OTA) contracting pathway designed for speed, flexibility, and performance-based accountability that the traditional acquisition contracts cannot match.

Industry partnerships will be critical.

Kadlec closed by saying the Pentagon must work closely with its industry partners. "It's not as much your obligation to work with us. It's our obligation to work with you. You have the solutions. We've got to figure out how best to work with you effectively." He framed the current threat environment as categorically different from the war on terrorism or the post-Cold War era of rogue actors: "What we're facing is an existential threat that if we don't mount an effective, credible deterrent set of capabilities across the domain of nuclear, chemical, biological, and radiological, we will be out of business." Kadlec explained that, “When I say out of business, our life and our freedom and all the good things that we’ve enjoyed may never be the same.”

 Was this an overly pessimistic assessment—or a realistic appraisal of today's threat environment? For those who attended the meeting, I’d enjoy hearing what were your key takeaways?