US Patent 7406909 Apparatus comprising armor

An armor that is used, for example, in multi-cell missile launchers is disclosed. In some embodiments, the armor includes three layers. The inner-most layer undergoes explosive welding when exposed to a pressure wave from an explosion. An intermediate layer in-elastically deforms when exposed to the explosion. The third and outer-most layer includes a plurality of elongated, pressurized tubes that contain fire retardant, among other chemicals. Silicone gel is interposed between the tubes.