Two US service members were killed and another remains missing after an Iranian ballistic missile and drone attack on a military base in Jordan, marking the first American troop deaths from direct Iranian fire since the opening days of the war, the Pentagon said on Saturday.

Two U.S. service members were killed in action while "partner forces defended against Iranian ballistic missile and drone attacks," U.S. Central Command said Saturday.

CENTCOM says service members died as 'partner forces defended against Iranian ballistic missile and drone attacks'.