The US explained to Israel ahead of the attack that it experienced intelligence indicating that Iran was planning to launch ballistic missiles imminently, which allowed the IDF to warn Israeli civilians to be ready to seek shelter. Axos cited Israeli officers as stating that Israel’s response could well be “sizeable” https://thebookmarklist.com/story18295925/the-smart-trick-of-israel-news-websites-that-no-one-is-discussing