The Skipper carries high-explosive, nuclear, radiation, antiradiation or exotic warheads. Its most important characteristic is the ability to become invisible, by the means of a photon cloak which uses a linked array of 3 or more antigraviton emitters to route electromagnetic emissions (such as light) around it. The missile is not only invisible to the human eye (and all artificial electromagnetic sensors), but there is nor reflection or diffusion. For practical reasons, however, the Skipper can't remain perpetually invisible: