Secretary of Defense Pete Hegseth has ordered the Pentagon to slash the top ranks of the military, a move that affects four-star generals and admirals. The Wall Street Journal is also reporting that Hegseth has used multiple Signal chats for official Pentagon business.

Four-star officers hold the top posts in the military, including the chairman and vice chairman of the Joint Chiefs of Staff and the armed services.Start the day smarter. Get all the news you need in your inbox each morning.

The announcement came three days after Transportation Secretary Sean Duffy admonished military VIPs to “take a taxi or Uber” rather than fly choppers through D.C.’s crowded airspace.