Ka cika wannan magana: Ba a yi amfani da karusai don kai wa jiragen ruwa na abokan gaba hari kawai ba. A watan Mayu da Yuni na 1943 binciken rairayin bakin teku masu tasowa don mamayewar Sicily,
Operation Husky, an aiwatar da shi ne a wani ɓangare ta hanyar karusai da aka tura daga jirgin ruwa na HMS "Unseen" da HMS "Unrivalled".