- Russia promises retaliation after Ukrainian drones hit a Russian tanker in 2nd sea attack in a dayThe Associated Press
- Maritime drone attacks Russian oil tanker in Black SeaCNN
- Unmanned surface vessel attack on Russian tanker: ship breachedYahoo News
- Ukraine drone attacks on Russia likely to boost Putin’s supportopenDemocracy
- Retired colonel says this one fact could make sea drones a game changerCNN
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