President Donald Trump announced Thursday that the United States will send an additional 5,000 troops to Poland, sowing confusion after weeks of administration statements pledging to withdraw roughly the same number of forces from Europe. The declaration revived uncertainty among European allies who have struggled to understand changing U.S. military priorities.

“Based on the successful Election of the now President of Poland, Karol Nawrocki, who I was proud to Endorse, and our relationship with him, I am pleased to announce that the United States will be sending an additional 5,000 Troops to Poland,” Trump wrote on Truth Social.

The announcement came as Secretary of State Marco Rubio traveled to Sweden for a gathering of NATO foreign ministers, where he was expected to calm allies unnerved by the U.S. administration’s shifting posture. Rubio attempted to cast the troop pledge as a sign that the United States remains committed to the alliance, but officials in his own department described confusion over the details.

Behind the public statement, U.S. officials acknowledged a muddled picture on the ground. The Trump administration had recently stated it was reducing European force levels by about 5,000 troops, and officials confirmed that roughly 4,000 service members previously destined for Poland never deployed. Currently, about 80,000 U.S. troops are in Europe, down from about 100,000 before the drawdown began.

The announcement fits a pattern of mixed signals on national security policy that has rattled allies. While the administration had earlier described a broader effort to achieve “cost-effective burden sharing,” the sudden reversal added to the confusion—and to pressure on Rubio, who was left without new details as he met allies in Sweden.

Two Pentagon officials, speaking on condition of anonymity to discuss operational details, said the vowed 5,000-troop bonus remained in an early planning phase and that timelines had not been set. That left open questions about whether the force would supplement or simply replace units already accounted for in the previous withdrawal.

The uncertainty also touches ongoing debates over the Iran war and renewed trade confrontations with European partners, which together with troop-shuffle decisions have sharpened wariness among NATO capitals.