In these areas, sophisticated adversaries will use asymmetric capabilities, to include electronic and cyber warfare, ballistic and cruise missiles, advanced air defenses, mining, and other methods, to complicate our operational calculus.
For years, scientists and space enthusiasts have dreamed that new methods of harnessing solar energy and mining precious metals in space could lead to huge profits.
On federal lands, Shell has been researching methods to cook oil out of the shale (basically oil-soaked rock) without mining it or polluting groundwater.