Geopolitical competition is increasingly playing out in the gray zone—the space beyond diplomacy and short of conventional war. The nature of this competition is forcing the United States to confront the liabilities of its strengths. This report assesses current U.S. government actions to deter, campaign through, and respond to competitors’ gray zone tactics.
On July 12, Turkey received the first elements of the S-400, a fourth-generation surface-to-air Russian missile system. Few recent weapon sales have been as geopolitically charged as this one. U.S. officials have threatened both military and economic sanctions should Turkey acquire the Russian system.