The Pentagon faces a ‘full-blown meltdown’ after staff purges and sensitive leaks. Can the secretary survive under Trump?

high-level chat on the messaging app Signal in which military plans were being discussed. "Michael Waltz has learned a lesson, and he’s a good man," Trump said Tuesday in a phone interview with ...

Dozens of U.S. soldiers specializing in electronic warfare gathered at an Army training ground in Bavaria in recent days, ...