They were aided by a bottlenose dolphin named Tuffy from the United States Navy Marine Mammal Program .
In addition to physiological testing ( described in the book by Radloff & Helmreich ) , the divers tested new tools , methods of salvage , and an electrically heated drysuit .
divers were aided by a bottlenose dolphin named Tuffy from the United States Navy Marine Mammal Program .
In addition to physiological testing ( described in the book by Radloff & Helmreich ) , the divers tested new tools , methods of salvage , and an electrically heated drysuit .