At a summit on Thursday, Prime Minister Keir Starmer and President Emmanuel Macron also announced a “one in, one out” pilot ...

Defense Secretary Pete Hegseth proclaimed that “deterrence is back” and warned that foreign adversaries should listen to President Trump in the wake of the strikes against Iran’s three ...

Erik Gartzke is Professor of Political Science and Director of the Center for Peace and Security Studies (cPASS) at the University of California, San Diego. He is the author, with Jon R. Lindsay, of ...

Successful deterrence requires Washington to convince its adversaries that the costs of attacking the U.S. and its allies greatly outweigh any conceivable benefit.

The president-elect is expected to showcase U.S. economic and military might, seeking to instill fear in adversaries and extract greater accommodation from allies.

Strategically, the strikes appear designed to reestablish deterrence, signaling to both Iran and U.S. allies that the United States remains willing to use force to prevent nuclear proliferation.

Without deterrence of any kind, the likelihood of nuclear weapons use will actually increase as the current deterrent strategy would be revealed as just bluff.

Thirty years ago, in October 1994, the U.S. Border Patrol announced a new policy called “Prevention Through Deterrence.” The goal was to prevent migrants from crossing the border illegally ...

Deterrence is a key issue as army chiefs from 30-plus countries talk about a Ukraine force Ukraine has key questions it wants answered as army chiefs from over 30 countries meet in Paris for talks ...