Overview

• Russian espionage sensors and unmanned vehicles have been found in British waters, some near key deep-sea communication cables.
• The devices are suspected of targeting Vanguard submarines, which carry the UK's nuclear deterrent.
• The British Navy currently operates only one ship capable of deep-sea monitoring, underscoring strategic vulnerabilities.
• The military has proposed significant investments in underwater warfare technologies, including new vehicles and sensors, to address the threat.
• Increased Russian military activity in the Atlantic is raising concerns, with officials likening the situation to a Cold War-style 'cat-and-mouse game.'