Greg Myre

Most major military operations are shrouded in secrecy. Ukraine's planned offensive against Russia has been under public debate for months. This has created expectations. Some realistic, some not.

Why is Sudan so prone to civil war? The country has suffered from internal conflict for well over half of its 67 years of independence. Two generals are threatening to unleash another civil war.

Sudan has suffered three internal wars spanning more than 40 years of its 67 years as a nation. Two rival generals are now battling in the capital Khartoum, raising fears of another ruinous conflict.

The Kremlin, the home and office of the Russian leader in the center of Moscow, was hit by a pair of drones. But who did it and how? That's the subject of a fierce debate between Russia and Ukraine.

Two generals are currently battling for control of Sudan's capital Khartoum. In the early 2000s, both played key roles in the government's brutal crackdown in Darfur, which was ruled a genocide.

The two generals waging a bloody power struggle in Sudan actually have a long history of working together. Both were key figures in the brutal military crackdown in Darfur in the early 2000s.

The case against 21-year-old Air National Guardsman Jack Teixeira raises questions about why he had access to sensitive material. He's scheduled to appear in court Wednesday.

Hear more context on the U.S. intelligence leaks and about previous ones from NPR national security correspondent Greg Myre.

Washington and Moscow have worked out prisoner swaps for decades, though they used to involve spies. Today, an increasing number of private American citizens are being jailed by Russia.

Many questions still remain about a data leak of classified documents related to the war in Ukraine and intelligence from other nations.

Dozens of classified U.S. documents detailing the war in Ukraine have appeared on multiple social media sites. There's no word on who might be responsible for leaking or stealing the material.

Maps and charts providing details on Ukraine's military and the state of the war have been published on Twitter and Telegram. The Pentagon says it is investigating how they were leaked or stolen.

There's lots of talk about China supplying weapons to Russia for its war in Ukraine. But one Chinese product already plays a key battlefield role - a cheap, popular, off-the-shelf, commercial drone.

The top U.S. and Russian defense officials spoke by phone, a rare occurrence during the past year of war in Ukraine. The aim was to bring down tensions after a U.S. drone crashed in the Black Sea.

Defense Secretary Lloyd Austin says the U.S. will continue flying 'wherever international law allows.' This comes a day after Russia downed a U.S. drone in the Black Sea.

President Biden announces a submarine deal with Britain and Australia to bolster the Western naval presence in the Pacific. The agreement is seen as part of a larger effort to counter a rising China.

Top U.S. intelligence officials briefed lawmakers Wednesday about unresolved mysteries, such as the origins of the COVID-19 pandemic and an ailment known as the Havana Syndrome.

CIA Director William Burns and other top national security officials address the most substantial threats facing the U.S. as they go before the Senate Intelligence Committee.

In 2016, CIA officers at the American Embassy in Cuba began reporting symptoms that included dizziness and headaches. Many think they were subject to an attack. A new U.S. report says otherwise.

The U.S. intelligence community concludes it's "very unlikely" a foreign country is responsible for the so-called Havana Syndrome ailments involving U.S. officials working abroad.