The fire on the American nuclear submarine (NS) Miami, which was being repaired in the dry dock of a military shipyard in Portsmouth (Maine), arose due to the ignition of a vacuum cleaner used by workers.
This was reported by the management of the shipyard after the completion of the preliminary investigation into the causes of the incident that occurred on 23 in May, ITAR-TASS reports.
"According to preliminary data, a fire broke out in a vacuum cleaner that was used to clean the premises of the submarine after each shift," the statement said.
Officially, the US Navy Commission will announce the causes of the incident in two weeks.
The fire on board the Miami lasted ten hours. Several people from the crew and fire brigade suffered, the command and residential compartments were destroyed.
Weapons, including the harpoon anti-ship missiles and Tomahawk cruise missiles, was not on board the submarine at the time of the incident. The nuclear reactor of the boat was inoperative and was not injured.
According to the Pentagon, the repair of Miami, the creation of which 22 a year ago spent about 1 billion dollars, will cost at least 400 million dollars. The command of the Navy has not yet decided whether the boat is to be restored.