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Portuguese prosecutors examine legality of US air base use in Iran operations

Portugal's prosecution service has launched an investigation into whether the government properly authorised American use of a strategic air base in the Azores during military operations related to Iran. The probe follows a formal complaint lodged by an opposition party questioning the centre-right administration's decision.

LSN Singapore · 3 October 2026

Portuguese prosecutors examine legality of US air base use in Iran operations

Portuguese prosecutors announced Saturday they had initiated proceedings to examine the legality of the government's approval for United States military operations at Lajes Air Base, located in the Atlantic archipelago of the Azores. The investigation was triggered by a complaint filed by an opposition political party, which contested the centre-right government's authorisation of American forces using the facility during the Iran conflict.

Lajes Air Base has long served as a strategic staging point for transatlantic military operations, but its use in ongoing regional tensions has drawn scrutiny from Portuguese lawmakers concerned about the country's constitutional obligations and international law compliance.

The prosecution's decision to formally examine the matter reflects broader debate in Portugal over the extent to which the government can unilaterally permit foreign military activity on Portuguese soil without explicit parliamentary oversight. Opposition parties have questioned whether adequate legal procedures were followed before authorising the American military presence.

The investigation comes amid heightened tensions in the Middle East and ongoing discussions within NATO and European Union member states about their respective roles in regional security matters. Officials have not yet indicated a timeline for the prosecution's findings.