The Latvian men were arrested under the National Security Act 2023 after breaching a fence at RAF Molesworth, prompting a major counterterrorism investigation.
https://www.foxnews.com/world/foreign-nationals-breach-us-nato-intel-hub-uk-military-base-556m-expansion
https://www.foxnews.com/world/foreign-nationals-breach-us-nato-intel-hub-uk-military-base-556m-expansion