US Air Force Deployment at Sofia Airport: Exercise and NATO Vigilance

Sofia, Bulgaria – Aircraft belonging to the United States Air Force have been deployed at Sofia Airport, sparking discussion and clarification from Bulgarian officials. The deployment, which began on February 17, 2026, and is scheduled to continue until May 31, 2026, is connected to a military exercise and enhanced vigilance activities within the NATO Alliance, according to the Bulgarian caretaker government.

Deployment Details and Justification

On February 17, 2026, the US Embassy requested permission and support for the deployment of up to 15 aircraft and associated personnel to Sofia Airport. The request included assistance in ensuring access for military personnel to the airport runway. The stated reason for the deployment relates to activities enhancing the vigilance of the NATO Alliance .

Caretaker Foreign Minister Nadezhda Neynsky addressed the deployment during a parliamentary hearing on February 26, 2026, emphasizing that it is not linked to current or planned military operations . The Minister of Defence granted the necessary permission in accordance with Bulgarian law governing the passage and presence of allied and foreign armed forces within the country .

Government Response to Speculation

The Bulgarian government has dismissed speculation surrounding the deployment, affirming its connection to routine NATO activities. The government confirmed that existing diplomatic permissions for US Air Force flights in Bulgarian airspace remain valid and are being utilized throughout 2026 .

Public and Political Reaction

The presence of US military aircraft at Sofia Airport has generated political debate and public interest. The deployment prompted a parliamentary hearing requested by the Vazrazhdane parliamentary group .

Ongoing Situation

As of February 22, 2026, the Bulgarian Ministry of Defense characterized the deployment as being related to a military exercise . The deployment is expected to continue through May 31, 2026.