Speaking at the Antalya Diplomacy Forum, Barrack said discussions between Washington and Ankara were progressing toward a settlement over sanctions imposed following Turkiye’s acquisition of the .

“I think you are going to see the S-400 situation solved soon,” Barrack said, adding that, from Washington’s perspective, Turkiye’s potential re-entry into the would be acceptable.

The United States imposed sanctions on its NATO ally in 2020 after Turkiye purchased the Russian S-400 system, citing concerns over compatibility with NATO defence infrastructure and risks to sensitive military technology. The move also led to Ankara’s removal from the multinational F-35 production and procurement programme.

The dispute has been a longstanding source of tension in bilateral relations, with both sides seeking a framework that addresses security concerns while restoring defence cooperation.

France, host of this year’s G7 summit, has scheduled the gathering in Evian-les-Bains from June 15 to 17. The dates were adjusted to accommodate an event Trump is hosting at the White House on June 14 to mark his 80th birthday, according to sources familiar with the planning.

Trump’s relations with several G7 leaders have deteriorated amid tensions over his administration’s war with Iran and broader disagreements on security and diplomacy.

He has also issued repeated criticism of NATO, a defense alliance that includes all G7 members except Japan.Sources said it was not yet confirmed whether Trump would attend the Evian summit, and his absence would risk undermining the meeting at a time when Washington has expressed skepticism about multilateral forums.

The invitation to Versailles, a 17th-century palace built under Louis XIV near Paris, is intended as a high-profile diplomatic gesture highlighting longstanding ties between France and the United States ahead of America’s 250th anniversary celebrations on July 4.

A senior White House official confirmed that Macron had extended the invitation, but said Trump had not yet decided whether to attend the G7 summit or the Versailles event.

Macron’s office declined to comment. A French official said planning for any bilateral visit remains at an early stage and that the format of the reception has yet to be finalized.

A NATO spokesperson described the trip as “long-planned,” with a White House official also confirming the visit, though no further details were disclosed.

The timing comes amid heightened tensions between Washington and its European partners over their limited support for U.S. actions in the Iran conflict.

Trump said he was weighing a U.S. exit from NATO after European members declined to contribute naval forces to reopen the Strait of Hormuz, a key shipping lane disrupted during the war.

Speaking at a White House gathering, Trump criticized allies including France and the United Kingdom, describing NATO as ineffective and questioning its value to U.S. security interests. The visit by Rutte comes at a sensitive moment for the alliance, which has long been a cornerstone of transatlantic security since its founding in 1949.

Analysts say the rhetoric underscores deepening divisions within NATO over burden-sharing and strategic priorities, particularly in the context of the ongoing Iran war.

Trump’s remarks mark one of the most direct challenges to NATO’s cohesion in recent years, raising uncertainty about the future of U.S. commitment to the alliance as geopolitical tensions intensify.