The use of civilian software to discuss sensitive military and government matters came to light after a journalist from The Atlantic magazine said he was mistakenly added to a group chat on Signal.
Vice President JD Vance will travel to Greenland this week, including a stop at Pituffik Space Base, the U.S. Defense Department's northernmost installation and its only outpost on the island.
James Boasberg, chief judge of the D.C. District Court, will preside over a case about the Trump administration's use of a Signal group chat to discuss military information.
In Europe, there's now a sense of a "broken relationship" in discovering "the extent of American hostility," one French analyst said. "But like in love, there is life after a breakup."
The breach left military and intelligence experts asking the same questions as the public: Why would top U.S. officials use a free messaging app to discuss classified military plans?
Top Democrats call for an investigation into how war plans were shared with a journalist on Signal. And, federal employees face complications and shortages when returning to the office.
During a heated Senate Intelligence Committee hearing on Tuesday, Sen. Mark Warner described the actions of the nation's top intelligence officials as "sloppy, careless, incompetent behavior.
The CIA Director and the Director of National Intelligence testified that they did not share classified information in a messaging group chat that discussed the U.S. bombing campaign in Yemen.
A journalist at The Atlantic was unintentionally added to a group chat with top U.S. national security officials discussing war plans. And, the legal battle over the Alien Enemies Act continues.
Trump said Boeing had won the contract to build the U.S. Air Force's next generation of fighter jets. Little is known about the jet's specifications, appearance or capabilities.
While mostly symbolic, the move to revoke security clearances for over a dozen former officials has been seen as a warning to President Trump's adversaries.
Many Pentagon materials now labeled as "DEI" were a bit more like advertisements — aimed at recruits who have shown a willingness to serve, military experts tell NPR.
President Trump has said he wants to broker an end to Russia's war in Ukraine. This was his second call with Russian President Vladimir Putin on the issue.
Trump said the U.S. would use "overwhelming lethal force" until Iranian-backed Houthi rebels cease their attacks on shipping. The Houthis said nine civilians were killed.
