An operations center targeted by an Iranian drone strike that killed six American soldiers was located in a civilian port in Kuwait, more than 10 miles away from the main Army base.

The first American service members to die in the U.S.-Israeli war with Iran were killed in an apparent Iranian drone attack on a makeshift office space in Kuwait, sources told CBS News.

Six U.S. service members killed in action in Kuwait during the U.S. and Israel's military operation against Iran over the weekend were based out of an Army Reserve unit in Des Moines, the Pentagon

Three U.S. fighter jets involved in the offensive against Iran were shot down mistakenly by Kuwait’s air defenses, the U.S. military’s Central Command said.

Iran’s military says it has launched a drone attack against a US military site in Kuwait. “Drone units of the armed force’s navy targeted a site of the US forces Camp Udairi in Kuwait using combat drones,” the army says in a statement broadcast by state TV.

Sgt. 1st Class Nicole Amor was just days away from returning home to her husband and two children in Minnesota when a drone strike at a command center in Kuwait killed her and five other U.S. service members.

Three American fighter jets were "mistakenly shot down by Kuwaiti air defenses," CENTCOM said in a statement ​Monday, as the war with Iran continued for a third day.

Follow real-time updates as the US-Israel war with Iran expands across the Middle East, triggering missile exchanges, air defence interceptions and growing regional security concerns. Track the latest developments including military strikes,