For some time now, former No 10 adviser Dominic Cummings has been blogging about the fragility of deterrence and the possibility of nuclear catastrophe. But perhaps his most interesting remarks—phrased carefully to avoid spilling official secrets—come on the topic of the UK’s fraying nuclear weapons…

The fifty-fifth day of the heroic resistance of the Ukrainian people to a Russian military invasion continues. The Russian Federation continues its full-scale armed aggression against Ukraine.

A Russian enemy is trying to continue offensive operations in the Eastern Operational Zone in order to …

Russia’s nuclear forces consist of both long-range, strategic systems—including intercontinental ballistic missiles (ICBMs), submarine-launched ballistic missiles (SLBMs), and heavy bombers—and shorter- and medium-range delivery systems. Russia is modernizing its nuclear forces, replacing Soviet-era…

WASHINGTON — The United States military expects to start training Ukrainians on using howitzer artillery in coming days, a senior U.S. defense official said on Monday.

Last week, U.S. President Joe Biden announced an additional $800 million in military assistance to Ukraine, expanding the aid t…

Recent Russian activity in the Donbas region of Ukraine, the Defense Department believes, portends future, more aggressive operations, Pentagon Press Secretary John F. Kirby said during a briefing today.

“It’s been, just over the last several days, you can see … the Russians are doing what we …

SEOUL — Russian and Chinese military aircraft entered South Korea’s air defense identification zone (KADIZ) without prior notice last month ahead of North Korea’s long-range missile launch, a Seoul official said Tuesday.

Two Russian planes flew into the KADIZ on March 24, prompting South Korea’…