Pentagon watchdog opens probe into use of Signal for Yemen attack plans

The Pentagon’s Inspector General’s office announced on Thursday it was opening a probe into Defense Secretary Pete Hegseth’s use of an unclassified commercial texting application to coordinate on the highly sensitive March 15 launch of U.S. strikes on Yemen’s Houthis.

In a memorandum addressed to Hegseth, the Inspector General’s office said it would examine whether Hegseth’s use of Signal met Defense Department guidelines and appeared set to look at whether the information