IRANIAN JET SHOT DOWN: An IAF F-35I “Adir” fighter jet shot down an Iranian Air Force YAK-130 fighter jet. This is the first shootdown in history of a manned fighter aircraft by an F-35 “Adir” fighter jet. pic.twitter.com/q6lJb38gRJ

The F-35, which is flown by many countries, had previously only logged missile and drone interceptions until now.

In another first, the U.K. reported that its Royal Air Force’s F-35B jets had intercepted Iranian drones above Jordan.

The West Asia conflict expanded to include Iran-backed militias on Monday with an attack by Hezbollah on Israel. Israel struck back against the group in Lebanon while the United States pounded targets in Iran.

Video footage shows the Israel Defense Forces striking two F-4 and F-5 fighters before they took off from an airport in western Iran.

Operation Roaring Lion sees Israeli jets strike Iranian missile sites as U.S.–Israel alliance reportedly achieves unprecedented military coordination.

The U.S. and Israel were hunting the vestiges of Iran’s ballistic missile and drone inventory, with Tehran’s ability to launch those systems at neighbors showing signs of diminishing—even if not eliminated—as the fighting stretched into a fifth day.