NATO’s top military commander, U.S. Air Force General Alexus Grynkewich, participated in a virtual briefing Friday as the Pentagon weighs possible changes to the deployment of U.S. troops across Europe.
The briefing was held for Pentagon policy chief Elbridge Colby and focused on potential approaches to the U.S. military posture review announced by Defense Secretary Pete Hegseth in June. The assessment comes as Washington pushes European NATO members to assume greater responsibility for regional security and meet their defense spending commitments.
A NATO spokesperson said Grynkewich participated in his role as commander of U.S. European Command as Europe takes on a larger share of its own defense. The spokesperson also linked the discussions to efforts to strengthen the alliance and its transition toward what officials have described as “NATO 3.0.”
According to a document seen by Reuters, the Pentagon review is expected to produce at least four sets of options for Hegseth. Friday’s briefing will help shape the potential courses of action being considered.
Hegseth told NATO defense ministers in Brussels in June that the review could take as long as six months. The process will also involve consultations with Congress, which has established a minimum threshold for the number of U.S. military personnel stationed in Europe.
Approximately 80,000 U.S. troops are currently deployed across Europe. Hegseth has not explicitly said the review will result in troop reductions, but he has emphasized that European allies need to shoulder more of the defense burden while the U.S. military preserves its ability to meet commitments elsewhere in the world.
The defense secretary has also warned that Washington could withhold some U.S. NATO funding if allies fail to meet agreed defense spending targets.
Another issue under consideration is U.S. access to allied bases and airspace. Hegseth criticized NATO members that declined to provide Washington with basing or overflight rights during the Iran war, saying the deployment review would seek to ensure reliable access for future U.S. military operations.


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