About 80,000 U.S. troops remain in Europe, but the alliance’s top military commander now says Washington will provide NATO with “critical but more limited capabilities” as European members assume more responsibility for the continent’s defense. The statement came Thursday as a British general took command of NATO’s operational headquarters in Norfolk, Virginia—an unusually visible marker of a broader redistribution of military leadership.

Gen. Alexus Grynkewich, the U.S. Air Force officer who serves as both NATO’s Supreme Allied Commander Europe and head of U.S. European Command, described the shift in a Reuters interview. He said the U.S. force review has no predetermined outcome for troop numbers or which capabilities may relocate. That distinction matters: the alliance is not announcing an American exit, but it is openly preparing for a different division of labor.

A smaller role, not a departure

The emerging model preserves American involvement while pressing European governments to supply more forces, equipment and command capacity. A deployment review presented to Pentagon policy chief Elbridge Colby last week is expected to produce several options for Defense Secretary Pete Hegseth. Grynkewich participated in that briefing in his U.S. European Command role.

The review is scheduled to last as long as six months and to include consultation with Congress. Hegseth has framed it as a way to make Europe carry more of its own defense burden while preserving U.S. flexibility for worldwide missions. Both the Thursday interview and last week’s briefing put the current American presence at roughly 80,000 troops, but neither identifies a final force level or a specific unit slated to move.

Why Norfolk matters

The Norfolk handoff is operationally significant because the headquarters is responsible for the Atlantic approaches that connect North America and Europe. NATO’s own command overview says Joint Force Command Norfolk was created to protect transatlantic lines of communication and is one of three standing joint headquarters able to plan, conduct and sustain major alliance operations.

Those sea lanes would carry reinforcements, ammunition and equipment from North America during a crisis. The command’s remit also reaches the Arctic, the High North and northern Europe. It therefore sits at the intersection of two strategic concerns: protecting the logistics that make collective defense possible and monitoring increased military competition across the northern Atlantic.

Britain announced in July that Gen. Nick Perry would become the first British officer to lead the command. The official appointment notice said European officers would lead all three joint force commands—in Brunssum, Naples and Norfolk—while American officers would lead NATO’s land, maritime and air component commands. That arrangement shifts prominent posts without removing the United States from the alliance’s command machinery.

Europe moves into command

The leadership changes were first disclosed months ago as part of a NATO-wide rebalancing. A February Reuters report said European officers would take over Norfolk and Naples while the United States assumed the three service-specific commands. NATO described the plan then as a broader distribution of senior responsibility that would give European allies, including newer members, a larger role.

Thursday’s ceremony turns that planning into command authority. It also makes the change more concrete for the United States because Norfolk is the only one of NATO’s operational joint force headquarters based on American soil. The transition is therefore both symbolic and practical: Europeans are not merely promising higher budgets; they are assuming responsibility for directing operations from a headquarters central to the alliance’s reinforcement plans.

Capabilities matter more than head counts

Troop totals alone do not show what a reduced U.S. role would mean. Washington supplies high-value capabilities that many allies cannot quickly replace at scale, including intelligence and surveillance, aerial refueling, strategic transport, integrated command systems and some air and missile defenses. A modest personnel reduction could have an outsized effect if it removes scarce enablers; a larger reduction could be less disruptive if those assets remain.

NATO’s 2026 defense-industry agenda reflects that gap. At its July industry forum, the alliance tied its new 5% defense-investment plan to greater production, joint procurement, surveillance, air defense and strike capability. Those investments take years to translate into deployable formations, trained crews and stockpiles. For now, the alliance’s assurance depends on sequencing any American changes with credible European replacements.

What remains unsettled

Grynkewich’s formulation offers reassurance and a warning at the same time. The United States intends to keep capabilities NATO considers critical, but allies should expect fewer of them and more responsibility of their own. No public decision yet establishes how many troops might leave, which countries would be affected or whether changes would fall most heavily on ground forces, aviation, logistics or headquarters staffs.

The Norfolk transition is consequently best read as evidence of direction rather than proof that the rebalancing is complete. Europe has taken a larger role in the alliance’s command structure, and Washington is reviewing the force package behind it. The decisive test will be whether European forces can fill capability gaps quickly enough that a narrower U.S. contribution does not weaken deterrence during the handoff.