"No one went to the aid of this boat, despite a distress call logged by the Italian Maritime Rescue Coordination Centre, which pinpointed the boat's position, " the report said.
As for Somalia - whose position along the Gulf of Aden provides it a similarly critical maritime posture - Iran has been exploiting its condition as a failed state for several years.
The arrangement is commonplace under international maritime law, and it puts U.S. agencies and investigators in a secondary position even though the Triumph and other Carnival ships sail out of U.S. ports with primarily American customers.