"A classified war simulation held this month to assess the repercussions of an Israeli attack on Iran forecasts that the strike would lead to a wider regional war, which could draw in the United States and leave hundreds of Americans dead, according to American officials." And that September, a
bipartisan group of U.S. foreign policy leaders including Brent Scowcroft, retired Admiral William Fallon, former Republican Senator (now Obama Pentagon chief) Chuck Hagel, retired General Anthony Zinni and former Ambassador Thomas Pickering concluded that American attacks with the objective of "ensuring that Iran never acquires a nuclear bomb" would "need to conduct a significantly expanded air and sea war over a prolonged period of time, likely several years."