Russia uses 'spy dolphins' to guard Black Sea navy base from Ukrainian divers
Since the Soviet era, dolphins have been trained for tasks such as planting bombs and scouting for enemies.
https://metro.co.uk/2022/04/28/russia-uses-spy-dolphins-to-guard-black-sea-navy-base-from-ukrainian-divers-16553023/
https://metro.co.uk/2022/04/28/russia-uses-spy-dolphins-to-guard-black-sea-navy-base-from-ukrainian-divers-16553023/
