Nearly half say they would be more likely to support continued military action if it led to a government in Iran that is friendly to the U.S. or puts an end to the Iranian nuclear program.

The downside risks are also evident: 54% say they would be less likely to support U.S. military action if it leads to U.S. casualties. Many also indicate their support would decline if U.S. actions led to a broader conflict in the Middle East.

“If this goes well, I will have always been behind it. If it goes poorly, I was always against.”