During World War II, the countries involved in the conflict, spent a lot of covert operations that could affect the result of hostilities. Among them there were incredibly unique and sophisticated clandestine actions of the leadership of the different countries. The Internet portal topsweet.ru told about some of them.

Advertisement

Advertisement

Operation "Olterra". In terms of the operation Italians used a secret underwater base as a springboard for the launch of small submarines. The aim of "Olterry" was the destruction of the British fleet. Italian cargo ship "Olterra" anchored about Gibraltar and several submarines were sent to its board through Spain. So the Italians managed to sink six British ships.