 The Saudis, as well as other potential foreign buyers, want permanent weapons capabilities built into the ship rather than interchangeable mission packages.Another potential ship under evaluation was the ; the "Freedom" class would be outfitted with vertical missile launchers and the SPY-1F radar, a smaller and lighter but shorter range version of "Arleigh Burke"s SPY-1D.A decision between the ships would be based on the desire for a large-hulled ship with a large missile defense system or a larger number of small-hulled multi-mission ships.