What surprise do you expect with Israeli planes flying over at least two Arab countries on the way there? This is not 1981. Israel will use cruise missiles. Cruise missiles can even be used to seal the graves of the scientists at Esefan by hitting the air vents. Yes, this would start a war, especialy on the Israel's Northern Fronts. The problem target is not Iraq's nuclear facilities but is Iraq's missile facilities.
Jewish teen sustains moderate wounds in stabbing in Jerusalem; assailant shot by police (Haaretz)
from the article: Israel can't launch strike against Iran on its own