Drone from Iran proxy evaded US defenses because it was mistaken for US drone: official

A U.S. official confirmed to Fox News the drone from an Iranian proxy that killed 3 American servicememebers in Jordan and injured others got past the air defenses for Tower 22 because it was mistaken for a U.S. drone expected to return to the base at the same time. 

The Wall Street Journal initially reported on this development on Monday. A U.S. official confirmed the information to Fox News. 

President Biden has vowed to take action against Iranian-backed militants in the Middle East after the drone attack at Tower 22, a post in Jordan near Syria's border, over the weekend.

This is a developing story. Check back for updates.