Pentagon spokesman Jessica McNulty said the US was not involved in the accident on the Iranian ship Saviz in the Red Sea.
According to her, no American forces were involved in this incident, writes The Hill.
On the eve of the Arab media reported that an explosive device detonated on a ship belonging to the Islamic Revolutionary Guard Corps in the Red Sea.
According to Israeli TV channels, a naval reconnaissance vessel was attacked.
There are no official statements from the Iranian leadership regarding this incident yet.
Earlier, the US State Department said that Washington is ready to lift some of the sanctions against Tehran that contradict the nuclear deal.