The shale revolution hit America and the world with such speed and suddenness that it surprised almost everyone—investors, businessmen, economists and politicians. Soon the implications of this dramatic development seeped into the national consciousness and spread optimism that the United States could ride it to a wave of prosperity. And the new techniques for extracting "unconventional" oil and gas from shale rock, which America possesses in such abundance, do indeed pose prospects for an economic boom. They also pose prospects for changes in the defense posture of many nations. Anything of value that a nation possesses must be protected, and...
