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.