Sentences with phrase «recall pinger»

Not exact matches

The most damning piece of evidence in favour of the «sabotage theory» was the use of a Navy dolphin «recall device» or «pinger» in the later capture of Buck and Jake.

They were, in fact, «soldier» dolphins, trained by the US Navy to follow a sonic recall device or «pinger», detect explosives, locate lost torpedoes, guard nuclear submarines and possibly even kill divers.