Prime Minister Rumen Radev speaks during debated as Bulgarian Parliament approved deployment of U.S. military aircraft on Bulgarian territory in a 136-13 vote, Wednesday, July 22, 2026. (Bulgarian News Agency via AP)

2026-07-31T17:03:19Z

SOFIA, Bulgaria (AP) — The first two U.S. military aircraft intended to provide support for operations in the Middle East arrived Friday at an air base in southeastern Bulgaria, drawing a complaint from Iran as Bulgarian residents have also been protesting the deployment.

The Trump administration has faced pushback from some European allies over the use of air bases in support of its war with Iran.

But lawmakers in Bulgaria — a member of NATO and the European Union — voted earlier in July to allow the deployment of up to eight U.S. KC-135 refueling aircraft, as well as 250 personnel with personal weapons and ammunition and airfield equipment, at Bezmer Air Base.

Under a 2006 U.S.-Bulgaria defense agreement, the Bezmer facility, about 260 kilometers (160 miles) southeast of the capital, Sofia, is a joint-use facility. Any new use of the base requires parliamentary approval.

The deployment, requested by the U.S. Embassy in Bulgaria, is authorized until Oct. 1, 2026.

U.S. President Donald Trump thanked Bulgarian Prime Minister Rumen Radev in a Truth Social post for allowing the deployment “despite Iran’s threats.”

On Thursday, Bulgarian Foreign Minister Velislava Petrova assured her Iranian counterpart, Abbas Araghchi, that the deployment “in no way means a change in Bulgaria’s approach toward Iran.” The two countries are important trade partners.

A Bulgarian Foreign Ministry statement quoted Petrova as saying “it was out of the question” that any direct military actions linked to the conflict in the Middle East would be carried out from Bulgarian territory.

The statement did not indicate what Araghchi said. But the Bulgarian state news agency, BTA, said Araghchi protested to Petrova over Bulgaria’s support for U.S. military operations against Iran during a telephone conversation initiated by the Bulgarian side. The report cited a report from Iran’s state-run IRNA news agency.

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Residents of the village of Bezmer and nearby settlements, including the regional capital Yambol, have staged peaceful protests in recent days against the deployment of the U.S. aircraft.

Government officials visited the region to address people’s fears, assuring them that the deployment is solely for logistical missions involving in-flight refueling outside Bulgarian airspace.