Two men re-arrested on Tuesday as part of an investigation into a suspected terror plot near RAF Fairford can be held for up to seven days after police were granted more time to question them.
A warrant of further detention was granted for the two men at Westminster Magistrates' Court on Wednesday, Counter Terrorism Policing (CTP) said.
Detention extended until October 27
The 24-year-old UK national and 25-year-old dual UK-Iranian national can now be held without charge until October 27.
The men were re-arrested on Tuesday in connection with the ongoing investigation near the Gloucestershire airbase.
Investigation ongoing
The case remains under investigation by Counter Terrorism Policing, with the suspects continuing to be questioned.
Further details have not yet been released as the probe continues.