Following the strike that killed a top Iranian general and prompted retaliation by Iran, House Speaker Nancy Pelosi called for a vote.
President Donald Trump, who tweeted "All is well!" following the missile attacks, is expected to make a statement on Wednesday morning.
In a recently released HuffPost-YouGov poll, Americans were split according to party lines, on their opinions of the airstrike.
The 2020 presidential candidate pointed out that "people are starting to ask, why now did he do this?" noting the potential start of an impeachment trial this week.
The former NFL quarterback criticized "American terrorist attacks against Black and Brown people,' following the killing of Iranian military leader Qassim Suleimani, leading to outrage from conservatives.
Iranian Foreign Minister Mohammad Javad Zarif tweeted of the Trump ordered assassination, "The US bears responsibility for all consequences of its rogue adventurism."
In a series of tweets, Donald Trump says he stopped a retaliatory military airstrike from destroying 150 Iranian lives.