https://english.aawsat.com/arab-world/5293863-israel-tells-washington-it-ready-join-war-against-iran-immediately
Israel Tells Washington It Is Ready to Join War Against Iran Immediately

A military spokesperson in Tel Aviv said on Wednesday that the Israeli army was on high alert and ready to join the war alongside the US military against Iran as soon as it received orders from the government.

https://www.aa.com.tr/en/americas/us-returns-refueling-aircraft-to-middle-east-amid-escalation-with-iran/3992212
US returns refueling aircraft to Middle East amid escalation with Iran
Israeli media says officials believe US would give green light for Israel to resume attacks against Tehran

Israeli army had remained in close contact with US Central Command, or CENTCOM, to discuss what it described as the high likelihood of a resumption of the war,