Pete Hegseth Unveils NATO 3.0 Plan as US Reviews Military Presence in Europe

U.S. Defense Secretary Pete Hegseth has launched a comprehensive six-month NATO review of US Military Presence in Europe, warning that American military commitments to the continent will now depend on the willingness of NATO allies to assume primary responsibility for their own security. Speaking at a meeting of defense ministers in Brussels on June 18, 2026, Hegseth signaled a shift toward a more transactional relationship with the alliance, emphasizing that the era of “free-riding” has ended and that some nations may “fail” the upcoming assessment.

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Pete Hegseth Announces Six-Month NATO Review

The Pentagon is initiating a rigorous evaluation of U.S. force posture and basing across Europe. This review, framed as a move toward “NATO 3.0,” aims to transition the alliance from its post-Cold War structure into a “hard-line military alliance” where European nations lead the conventional defense of their own territory.

Hegseth explicitly stated that the review would determine which countries are moving “fast and irreversibly” toward this self-sufficiency and which are not.

The announcement follows a period of heightened tension between Washington and its European partners, specifically regarding burden-sharing and the level of cooperation during the war with Iran. Hegseth characterized the refusal of some allies to grant U.S. forces predictable access, basing, and overflight rights for operations against Iran as “shameful,” arguing that such restrictions placed American service members at unnecessary risk.

Key Changes Under Pete Hegseth’s NATO 3.0 Strategy

The transition to “NATO 3.0″—a concept first introduced in February by Undersecretary of Defense for Policy Elbridge Colby—represents a strategic pivot for the Trump administration. Key changes include:

• Spending Thresholds: Hegseth is demanding that allies commit to spending 5% of their gross domestic product (GDP) on defense by 2035. This target includes 3.5% for core defense needs and 1.5% for related infrastructure.
• Financial Leverage: The Defense Secretary indicated that U.S. contributions to NATO’s annual dues may be reduced if member states fail to meet these spending targets with urgency.
• Military Drawdowns: The review follows the withdrawal of approximately 5,000 U.S. troops from Germany in May. While there were reports of planned withdrawals from Poland, President Trump later reversed that decision, promising a deployment of 5,000 troops there instead.
• Resource Reductions: On June 3, the U.S. informed allies it would no longer automatically provide specific high-end assets during a crisis, including aircraft carriers, support ships, aerial refueling planes, and dozens of fighter jets.
• The “Arsenal of Freedom”: Hegseth announced that the U.S. intends to invest $1.5 trillion in its own defense budget by 2027. He described this buildup as a message to the world that the U.S. is strengthening its own capabilities to protect national interests, which would subsequently “backstop” the strength of NATO.

Why the US Is Reviewing Its Military Presence in Europe

The shift in U.S. strategy is driven by the Trump administration’s requirement that the Pentagon be capable of managing two simultaneous major conflicts. Washington is increasingly prioritizing readiness in the Indo-Pacific region to counter potential confrontation with China, necessitating greater flexibility in how and where U.S. assets are deployed.

Despite the scaling back of conventional support, the U.S. has indicated it will not withdraw nuclear weapons stationed in Europe, as these remain a fundamental pillar of the alliance’s deterrence strategy. However, the reduction in the “NATO Force Model”—the set of resources the Supreme Allied Commander Europe (SACEUR) can rely on at short notice—has forced the alliance to develop urgent backup plans to plug capability gaps.

This tension exists despite significant increases in European spending. In 2025, NATO allies in Europe and Canada invested $574 billion in defense—a 20% real-term increase over 2024. While 31 of the 32 member nations met the previous 2% GDP threshold in 2025, the U.S. now views that benchmark as insufficient.

NATO Leaders and US Lawmakers React

NATO Secretary-General Mark Rutte attempted to mitigate the impact of the U.S. decision, describing the NATO Force Model as a “planning tool” rather than a fixed wartime reality. He asserted that in the event of an actual war, all members would “max out” their efforts to ensure victory. Rutte expressed expectation that members would present concrete plans to reach the 5% GDP goal ahead of the upcoming NATO Summit in Ankara on July 7-8.

In the U.S., the move has met with some bipartisan concern on Capitol Hill. Senator Roger Wicker (R-MS) and Representative Mike Rogers (R-AL) issued a joint statement emphasizing that any significant change to force posture requires a deliberate review and close coordination with Congress. The Senate Armed Services Committee has already proposed a defense policy bill requiring the Defense Secretary to submit an impact assessment 120 days before any troop drawdown is implemented.

International reactions have varied. Poland’s Defense Minister, Władysław Kosiniak-Kamysz, noted that the U.S. is open to Warsaw’s offer to provide a permanent base for American troops, though final details remain under negotiation.

What the NATO Review Means for Europe

The primary focus now shifts to the NATO Summit in Ankara, where President Trump is expected to attend. This summit will serve as a critical venue for allies to demonstrate their commitment to the new spending targets and for the U.S. to further define the parameters of its engagement with Europe.

Over the next six months, the Pentagon will continue its assessment of basing and force posture. The outcome of the Pete Hegseth NATO review will be closely watched by defense officials, NATO leaders, and policymakers as they assess the future of US troops in Europe and the alliance’s evolving security strategy.

Conclusion

The announcement of a comprehensive review of U.S. forces in Europe signals a fundamental reimagining of the transatlantic security architecture. By pushing for “NATO 3.0,” the United States is explicitly moving away from the role of primary security guarantor and demanding a model of shared responsibility. As the Pentagon evaluates which allies “pass” or “fail” this new standard, the alliance faces a period of significant instability, balancing the need for American deterrence against the reality of Washington’s shifting strategic priorities toward the Indo-Pacific.

Frequently Asked Questions (FAQ’s)

Why is Pete Hegseth reviewing US troops in Europe?

Pete Hegseth says the review will determine whether NATO allies are taking sufficient responsibility for their own defense and meeting new military spending expectations.

What is NATO 3.0 and how will it affect NATO allies?

NATO 3.0 is a proposed strategy that shifts primary responsibility for Europe’s conventional defense to European member states while the United States focuses more on global priorities, including the Indo-Pacific.

Will the US remove troops from Europe?

The Pentagon has not announced a full withdrawal, but troop levels and military bases are being evaluated as part of the six-month review.

What defense spending target has the US proposed?

The Trump administration is urging NATO members to spend 5% of GDP on defense by 2035, significantly higher than the previous 2% benchmark.

How could the review affect NATO?

The review could reshape NATO’s military structure, burden-sharing arrangements, and future US military commitments across Europe.