Over the past year, the United States has quietly but decisively reshaped how it prepares for conflict, supports allies, and works with industry to deliver military capability.

These changes are not about a single weapons system or budget line. They represent a structural shift in US defense policy, acquisition, and national priorities that will shape security, technology, and economic outcomes for years to come.

For readers who do not follow defense policy closely, the key takeaway is simple: speed, resilience, and industrial strength now matter more than process perfection. Below is a plain‑language overview of what has changed, why it matters, and what to watch next.

A new national security posture

The 2025 National Security Strategy marked a clear departure from post‑Cold War assumptions. Instead of trying to manage every global problem, the US strategy now emphasizes concentrating power where it matters most. Homeland defense, the Western hemisphere, and the strength of America’s industrial base have moved to the center of planning.

Rather than relying primarily on forward‑deployed forces, deterrence is increasingly built around production capacity, supply‑chain resilience, and the ability to surge capability quickly. This reflects lessons from Ukraine, the Middle East, and the Indo‑Pacific, where prolonged conflict has exposed the limits of just‑in‑time logistics and small inventories.

In practical terms, national security is now tied directly to factories, ports, data centers, and energy infrastructure – not just military bases.

A US Airman attaches a GBU-31 munitions system to an F-15E Strike Eagle in the US Central Command area of responsibility, December 19, 2025, in support of Operation Hawkeye Strike as the US military launched large-scale strikes against Islamic State targets in Syria.
A US Airman attaches a GBU-31 munitions system to an F-15E Strike Eagle in the US Central Command area of responsibility, December 19, 2025, in support of Operation Hawkeye Strike as the US military launched large-scale strikes against Islamic State targets in Syria. (credit: US Air Force Photo/Handout via REUTERS)

These strategic ideas were rapidly turned into law through the Fiscal Year 2026 National Defense Authorization Act (NDAA), a sweeping piece of legislation that runs thousands of pages but delivers a clear message: The system must move faster.

Several provisions stand out, including commercial‑first acquisition, where the Department of Defense (now formally referred to as the Department of War in statute) is directed to buy existing, off‑the‑shelf technologies wherever possible, instead of waiting years for custom designs, expanded use of rapid contracting tools (authorities such as Other Transaction Agreements (OTAs) are no longer niche experiments; they are becoming standard pathways from prototype to production).

Other provisions that stand out are counter‑drone and missile defense prioritization, such as funding and authorities for counter‑uncrewed systems, missile defense, and homeland protection continue to expand, reflecting the reality of cheap drones and long‑range threats, and supply‑chain visibility, where congress explicitly links national security to visibility into where critical components are made, shipped, and stored – and who controls them. The intent is not deregulation for its own sake but a recognition that adversaries adapt faster than traditional procurement cycles allow.

A major reorganization inside the army

One of the least publicized but most consequential changes is the US Army’s internal restructuring. The former Army Futures Command (AFC) and Training and Doctrine Command (TRADOC) have been consolidated into a new organization, namely the US Army Transformation and Training Command (T2COM).

T2COM unifies training, experimentation, doctrine, and modernization under a single command. It also aligns closely with the new Portfolio Acquisition Executives, who are responsible for delivering capability across entire mission areas, rather than individual programs. The PAE structure is similar to a large cross-functional team, with Requirements, Science and Technology (S&T), Contracting, and Test and Evaluation (T&E) all reporting to the PAE.

This matters because it shortens the distance between identifying a battlefield problem, testing a solution, training soldiers, and fielding equipment. For industry and innovators, it also clarifies who makes decisions and who can say, “Yes.”

Artificial intelligence moves from experiment to enterprise

Another major shift is the rapid institutional adoption of artificial intelligence (AI). In late 2025, the Pentagon launched GenAI.mil, a secure platform that allows military and civilian personnel to use advanced AI tools on government networks.

Concurrently, a new executive order established a national AI policy framework designed to reduce fragmented state‑by‑state regulation and encourage innovation while maintaining security safeguards.

The focus is no longer on whether AI can be used, but on how it is embedded into real workflows – from maintenance planning and logistics to intelligence analysis and training. The next challenge will be building a workforce that can use these tools effectively and responsibly.

Industry on a wartime footing

Across all services, leaders are increasingly explicit: the defense industrial base must behave as if conflict is a real possibility, not a distant contingency.

This has driven increased use of multi‑year contracts to stabilize production, new efforts to digitize shipyards, depots, and supply networks, greater openness to private capital financing of production capacity, the goal is sustained output under stress, not just technological superiority on paper.

Why this matters locally and what to watch next

These national changes have local implications. Defense spending supports jobs in manufacturing, logistics, cybersecurity, energy, and advanced technology. Ports, rail hubs, data centers, and power infrastructure are now viewed as strategic assets. Universities and training institutions play a growing role in preparing the workforce needed for this new environment.

In short, defense policy is no longer confined to Washington or overseas battlefields. It increasingly shapes regional economies and community resilience.

Three trends will define the next phase.

Speed to field: Capabilities that can be delivered in months will outpace those that take years; Resilience over elegance: Systems that work under stress and disruption will matter more than perfect designs; Integration: Technologies that plug easily into existing systems will win over standalone solutions.

The United States is not simply spending more on defense; it is changing how defense is done. Understanding this shift is essential for policymakers, businesses, and citizens alike.

The writer is a retired US Army officer and formerly assigned to the US Embassy in Israel. He served for 30 years, the last four as a technology scout for the US Army Future Command. Currently, he is a defense and technology consultant advising start-ups, industry, and government organizations on US defense acquisition and innovation.