The bolts designed to keep the plug from moving off the spots were missing, said NTSB investigators, who are trying to determine if the equipment was ever installed.
Some potential targets of the coalition's attacks could include launchers for anti-ship missiles and drones, as well as storage facilities for ammunition.
The shutdown comes about a week after Daihatsu said it was suspending all vehicle shipments after it was found that the organization used improper testing for 64 vehicle models.
Although the global business community has been confronting modern slavery for years, it hasn’t been able to slow its rise. But there is an opportunity for that to change.