Signal Chat Leak Angers U.S. Military Pilots

Men and women who have taken to the air on behalf of the United States expressed bewilderment after the leak of attack plans. “You’re going to kill somebody,” one pilot said.

After the Signal Leak, How Well Do You Know Your Own Group Chats?

A journalist’s inclusion in a national security discussion served as a reminder that you might not know every number in the chat — and that could be a big problem.

Republicans in Congress React to Signal Chat Leak With Collective Shrug

A few G.O.P. lawmakers said they would look into the breach, but party leaders largely tempered their criticism of the Trump administration.