Israel and the US practiced conducting airstrikes on Iranian nuclear facilities during the Biden administration, an Israeli source with direct knowledge of the matter confirmed to ABC News on Sunday morning.
The exercise was unprecedented as it war-gamed offensive actions against Iranian nuclear capabilities for the first time, the source informed ABC.
While the practiced and war-gamed scenario was planned in cooperation with former president Joe Biden's administration, "we did not think a year ago that this would happen now," the source commented.
This is a developing story.