Possibly http://en.wikipedia.org/wiki/Battle_of_Bubiyan http://en.wikipedia.org/wiki/Battle_of_Bubiyan If ISIS grows to the point they field brown-water and/or

Possibly http://en.wikipedia.org/wiki/Battle_of_Bubiyan http://en.wikipedia.org/wiki/Battle_of_Bubiyan If ISIS grows to the point they field brown-water and/or littoral asymmetric warfare vessels (very large numbers of small craft carrying highly lethal missiles), then the expanded ammo capacity and stand-off capabilities of the railgun would likely be welcomed by the sailors on the US vessels.