Shortly before the U.S. Department of Defense announced the strike, President Trump posted a U.S. flag on Twitter. The next morning, he held a public statement saying he had authorized the strike because Soleimani was plotting "imminent and sinister attacks" on Americans. He added, "We took action last night to stop a war. We did not take action to start a war." He also said he did not seek a regime change in Iran. On 4 January, Trump tweeted that 52 Iranian targets (representing the 52 American hostages in the 1979–81 Iran hostage crisis) had been selected if Iran "strikes any Americans, or American assets". Iranian President Rouhani responded to Trump's warning: "Those who refer to the number 52 should also remember the number 290", referring to the 1988 shooting down of Iran Air Flight 655, by a U.S. warship in which 290 were killed. Among those targets were Iranian "cultural sites", and Trump subsequently insisted he would not hesitate to destroy such targets even after some said it could be considered a war crime.
Some members of Congress, which generally was not consulted or briefed before the Soleimani strike, sought to restrict the president's ability to conduct future military operations against Iran without congressional consent. On 6 January 2020, House Speaker Pelosi announced plans to hold a vote within the week on limiting President Trump's war powers concerning Iran. On 8 January 2020, Pelosi announced that a vote will be held by the entire House on 9 January to limit President Trump's war powers concerning any future escalation of conflict with Iran. The House Rules Committee cleared the way for a full House vote by approving parameters which set up a two-hour debate on 9 January. The House vote is considered significant, as the U.S. Constitution provides that while the president may use the military to defend the country, any declaration of war must be approved by Congress (note that Congress has never declared war on anyone since World War II). Trump criticized the effort, arguing that congressional approval should not be needed to militarily engage Iran "because you have to be able to make split-second decisions sometimes".
More InfoShortly after the attack, several planes with U.S. service members took off from bases in the eastern United States. The following day, the U.S. Department of Defense announced the deployment of 3,500 members of the 82nd Airborne Division to the region, one of the largest rapid deployments in decades. Defense officials said the deployment was not directly related to the airstrike which killed Soleimani, but was instead a "precautionary action in response to increased threat levels against U.S. personnel and facilities".
More InfoAl-Manar reported that "in an extraordinary session on Sunday, 170 Iraqi lawmakers signed a draft law requiring the government to request the withdrawal of U.S. troops from Iraq. Only 150 votes are needed that the draft resolution be approved." There are 329 lawmakers in total. Rudaw Media Network (Kurdish) described the 170 Iraqi lawmakers that signed the law as Shiite and that "Iraqi parliament's resolution to expel foreign troops has no legal consequences." Al Jazeera reported the resolution read "The government commits to revoke its request for assistance from the international coalition fighting Islamic State due to the end of military operations in Iraq and the achievement of victory" and "The Iraqi government must work to end the presence of any foreign troops on Iraqi soil and prohibit them from using its land, airspace or water for any reason." The resolution was approved in the Iraqi parliament. In response to the vote, Trump threatened Iraq with sanctions that would "make Iranian sanctions look somewhat tame" and demanded reimbursement for American investments on military facilities in Iraq.
More InfoOn 4 January, the funeral procession for Soleimani, al-Muhandis, and the Iraqi and Iranian militants was held in Baghdad and attended by thousands of mourners who chanted "death to America, death to Israel". Iraqi Prime Minister Adil Abdul-Mahdi was also present. The cortege began around Al-Kadhimiya Mosque, a Shiite holy site in Baghdad, before heading to the Green Zone government and diplomatic compound where a state funeral was held. From Baghdad, the procession moved to the Shia holy city of Karbala and on to Najaf, where al-Muhandis and the other Iraqis were buried, while the coffins of Soleimani and the Iranian nationals were sent to Iran. Following the mourning procession in Baghdad, unknown people fired short-range rockets towards the U.S. embassy and at the U.S. Balad Air Base. The U.S. Central Command, which oversees operations in the Middle East, said no Americans were harmed by the sporadic rocket attacks on 4 January.
More InfoA spokesman for the Iranian government said the country's top security body would hold an extraordinary meeting shortly to discuss the "criminal act of attack". Iran's Supreme Leader Ali Khamenei warned that "retaliation is waiting". On 4 January, the U.S. Department of Homeland Security said there was "no specific, credible" threat to the U.S. mainland but warned about Iranian capabilities. Trump warned Tehran that any retaliation would result in the U.S. targeting 52 Iranian significant sites, including cultural sites. The 52 sites were reported to represent the 52 American hostages held during the Iran hostage crisis. Hossein Dehghan, the main military adviser of Iran, and Iranian Foreign Minister Javad Zarif asserted that attacks on Iranian cultural sites would be grave breaches of international law. U.S. secretary of state Mike Pompeo avoided a direct answer when asked about cultural targets, saying that Washington will do the things that are right and the things that are consistent with U.S. law. U.S. secretary of defense Mark Esper later asserted that cultural sites would not be targeted because "That's the laws of armed conflict."
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