The dolphins deployed by the US Navy in the Persian Gulf last year as underwater sentinels have been “valuable” in protecting coalition ships and piers against terrorist attacks.

The US navy has deployed highly trained dolphins in the Gulf to help protect coalition ships and piers against terrorist attacks by providing early warning of hostile swimmers.

The US navy has deployed highly trained dolphins in the Gulf to help protect coalition ships and piers against terrorist attacks by providing early warning of hostile swimmers.

The US Navy has deployed trained California sea lions to the Gulf, to act as lookouts for those who may be trying to attack a port or ship.