Navy dolphin found 130 year old torpedo

A navy trained dolphin found a 130 year old torpedo of the San Diego coast it was found during a mine exercise the dolphin found something and a diver went down and cleared debris it was a one of the first torpedoes there were only 50 Howell torpedoes made and only 2 have been recovered the Howell torpedo was developed between 1870 and 1890 the Howell torpedo was in use until 1898 then being taken over by the whitehead  and was named after its maker lutenant Comander John A Howell.