In her primary race against Obama:
https://www.reuters.com/article/economy/clinton-says-us-could-totally-obliterate-iran-idUSN22243327/
"I want the Iranians to know that if I'm the president, we will attack Iran," Clinton said in an interview on ABC's "Good Morning America."
"In the next 10 years, during which they might foolishly consider launching an attack on Israel, we would be able to totally obliterate them," she said.
"That's a terrible thing to say but those people who run Iran need to understand that because that perhaps will deter them from doing something that would be reckless, foolish and tragic," Clinton said.
Her vote in support of invading Iraq followed the typical lies at the time:
https://awpc.cattcenter.iastate.edu/2017/03/09/hillary-clinton-iraq-war-vote-speech-oct-10-2002/
"In the four years since the inspectors left, intelligence reports show that Saddam Hussein has worked to rebuild his chemical and biological weapons stock, his missile delivery capability and his nuclear program. He has also given aid, comfort and sanctuary to terrorists including Al Qaeda members. It is clear, however, that if left unchecked, Saddam Hussein will continue to increase his capacity to wage biological and chemical warfare and will keep trying to develop nuclear weapons. Should he succeed in that endeavor, he could alter the political and security landscape of the Middle East, which as we know all too well affects American security. This is a very difficult vote. This is probably the hardest decision I've ever had to make. Any vote that might lead to war should it be hard, but I cast it with conviction."