Air Force disciplines 15 people in Discord leaks investigation

The Air Force disciplined 15 members of the Air National Guard after an internal investigation found that a “lack of supervision” and a “culture of complacency” helped enable a 21-year-old airman to share hundreds of classified documents online in the sprawling leak of U.S. military secrets that rocked the national security establishment this spring.

In a report delivered to Congress on Monday, the Air Force blamed Airman 1st Class Jack D. Teixeira’s superiors for failing to restrict his access to classified systems and facilities and to alert appropriate authorities during the time that...