Threats

US Racing $350 Million in ‘Immediate' Arms to Ukraine; Includes Javelins, Ammo, Armor

Some Russian ground units are now 20 miles from Kyiv, but about half are still waiting outside Ukraine.

Threats

Iran-Linked Hackers Probing US Networks, Intel Agencies Warn

Active “cyber operations against government and commercial networks” may seek to take advantage of defenders' focus on Russia.

Science & Tech

Kremlin Cracks Down Harder on Media, Facebook as Protests Sweep Russia

Citizens “have a certain amount of capacity to express themselves, but it’s narrowing,” one observer says

Threats

NATO Deploys Response Forces; Warns Russia ‘We Will Defend Every Inch’ of Alliance

Rare emergency summit produces unprecedented order to activate a wide range of ready capabilities.

Threats

‘Amphibious Assault is Underway’: Russian Troops Are Landing In Eastern Ukraine, Pentagon Says

Russia's advances are encountering more resistance than expected, U.S. defense official says, as forces encircle Kyiv.

Ideas

Defense One Radio, Ep. 95: Vlad the Invader

Now that Putin has launched a full-scale invasion of Ukraine, what are the smartest responses to a bellicose and revanchist Russia?

Threats

Kyiv Under Siege As Russian Forces Move on Ukrainian Capital

Putin "is just simply crazy…to come here and kill Ukrainians,” says former president Poroshenko, vowing a long fight.

Threats

Russia's War in Ukraine Draws Protests Around the Globe

Putin's fulminations and false flags couldn't stop masses of people from urging their governments to take a tough stance.

Business

US Defense Firms Could Take Hit as West Sanctions Russia

The country plays a small but important role in both supply chains and sales.

Threats

The Battle for Ukraine: What We Know So Far

Ukrainians fought back as Russian armor pushed toward cities, U.S. says. And more Americans are deploying to NATO’s eastern front.

Policy

US Politicians Use Russia’s Invasion to Attack Putin—and Biden

While most politicians blamed the Russian leader for the attack, some Republicans criticized the U.S. president for failing to deter it.

Threats

Biden ‘Prepared to Respond’ If Russia Cyberattacks US

The White House also announced sanctions to limit Russia’s access to cutting-edge technologies.

Threats

Russia’s Invasion of Ukraine, in Pictures

Photojournalists captured these images from the first day of Russia’s full-scale assault on its southwestern neighbor.

Threats

World Leaders Vow Retribution as Russian Forces Press Deeper into Ukraine

"This is a declaration of war against the whole of Europe,” says Ukrainian president, as NATO, UN members begin to enact responses.

Threats

An Exiled Russian Dissident Watches Putin Invade Ukraine

“Russia doesn’t need to invade Ukraine for there to be justification for sanctions today,” said a confidante of Alexey Navalny on a low-profile visit to Washington.

Threats

U.S. Troops In Poland Preparing to Support Americans Leaving Ukraine

The State Department has the lead, but soldiers are building facilities and standing ready to give other assistance.

Threats

‘They Could Go At Any Hour Now’; US Official Warns of Larger Russian Invasion of Ukraine

Russian troopships, 120 battalion tactical groups “have uncoiled,” hinting at a far deeper incursion.

Threats

More Cyber Attacks Disable Ukrainian Websites

Wednesday’s denial-of-service attacks on government, financial sites resemble earlier ones attributed to Russia.