The news posted a photo showing the country's leader, Kim Jong-Un inspecting what seems to be part of the submarine.
The HMS Trooper vanished in 1943 during a secret mission in Greek waters to land three agents of the Greek resistance on the island of Kalamos.
In addition to heavy submarines, the Iranian Navy is also developing special logistics drones that can carry equipment and even people.
Israeli companies showcase advanced naval tech at Euronaval following court victory in France.
The Iran-aligned group claimed to develop the weapon themselves. However, Arab media later reported it to be an American unmanned naval vehicle captured by the Houthis.
The State Prosecution has been debating the case since June.
"The target may be invisible, and we can still shoot," he said, adding that this "allows us to operate silently, at long range - and where it is necessary."
The extent of the submarine movements went beyond what British officials had previously seen.
It is possible that a Russian spy ship collected information on the Israeli NIS Drakon submarine.
Independent researchers concluded that the submarine was very likely of Nazi origin, and researchers from the Italian Naval League supported this finding.