Its range is 75 miles. The big question is: how much does it cost?
It does not depend on GPS, so how is it guided, and how accurate is it?
If it is accurate to 10 meters, it is almost as good as GPS.
Such details are probably classified.
The Zumwalt destroyers were going to be a key part of our navy as we moved into the 21st century. We were going to build 32 of them. Their main role was land attack and their main weapon was an Advanced Gun System. The AGS had munitions with some of the capabilities being discussed in this article. But the cost of the munitions was too high, the AGS was too expensive to fire and the destroyers were basically useless. Very expensive ships with no role. We built 3.