A team of navy divers has detonated a suspected World War II dummy bomb that's believed to have been sitting on Darwin Harbour's seabed for up to 80 years.
Footage released by the Australian Defence ForceDefence Force shows the controlled explosion that was performed on Monday afternoon.
Commercial divers found the suspected bomb last Wednesday, with authorities declaring a 250 metre exclusion zone around the object as a precaution.
A team of navy divers — known as Clearance Dive Team One — were dispatched to Darwin to locate and deal with the weapon.
These efforts were complicated because the team was unable to find it on the sea floor.
The executive officer of Clearance Dive Team One, Matthew Smith, said that significant tidal streams and poor visibility brought challenges.
He said the operation gives us the confidence that the entire item has been disposed of safely Despite corrosion and marine growth, Defence said in a statement that the item was identified as a potential dummy bomb that was previously used by aircraft in targeting practice.
The latest find came about as surveyors looked at the sea floor around the proposed Darwin Ship Lift.
The object was found about 330 metres south of Darwin's East Arm barge ramp, according to the Northern Territory Department of Infrastructure, Planning and Logistics.
It is far from the first danger of the bombing of Darwin, with a mortar found on one of the city's busiest roads in 2015, and is far from the beginning of a dangerous reminder of the bombing of Darwin.