XL Cruise Missiles are designed for long range bombardment of capital ships and installations. They are a specialized design usable only by capital ships.
Nocxium atoms captured in morphite matrices form this missile's devastating payload. A volley of these is able to completely obliterate almost everything that floats in space, be it vehicle or structure.

A modified version of the Nova cruise missile. Does more damage than the Nova cruise, but the volatile nature of the warhead, and its powerful containment system, reduce both flight time and precision.