In what is described as a “hard” retaliation, Iran’s government has fired a series of ballistic missiles.<br />These missiles are aimed at military bases in Iraq housing U.S. troops.<br />This retaliation comes days after Trump ordered an airstrike that killed a top Iranian general.<br />It also comes as Trump is in the middle of facing a likely impeachment trial in the Senate.<br />Both Mike Pompeo and Mark Esper arrived at the White House on Tuesday evening after the attack.