Multiple countries are developing the ability to mine in space, specifically on the moon and on asteroids. The moon stands out as a nearby example of what will soon be the site of regular operations. The moon is home to hundreds of billions of dollars-worth of natural resources, including helium-3, …

A close-in weapon system (CIWS),  is a point-defense weapon for detecting and destroying short-range incoming missiles and enemy aircraft which have penetrated the outer defenses, typically mounted shipboard in a naval capacity. Nearly all classes of modern warship are equipped with some kind of CIWS device.   CIWS Systems There …