Iran says the system fires missiles with a range of 50 kilometers (30 miles), capable of hitting targets at 22,000 meters (75,000 feet).
He said torpedoes and underwater and surface-to-surface rockets were also successfully tested.
The drill began Friday and ends Wednesday. It's one of a number of exercises Iran holds annually.
Iran has in the past said it might close the strait over Western sanctions, but has not made such threats recently.