Mohammed Tawfiq Allawi's appointment comes at a tense time as the country has been riven by anti-government protests and a deadly crackdown by security forces.
Lawmakers passed two bills seeking to limit the president's ability to take military action without the prior approval of lawmakers. The White House has signaled that Trump would veto the legislation.
In updating its tally, defense officials noted that most of the injured service members have been treated and returned to Iraq. The statement, once more, contradicts President Trump's initial remarks.
"This is a fairly regular occurrence, small rocket attacks or mortars fired into the Green Zone, but they very rarely actually hit the embassy. This one did," NPR's Jane Arraf reports.
Tactics such as blocking highways and forcing closure of government offices have now set the protest movement, which began in early October, on a more dangerous collision course with security forces.
NPR international correspondent Jane Arraf and freelance photographer Alexander Tahaov were among journalists invited to tour the Ain al-Assad air base, which houses some 1,500 U.S. troops.
In an interview with NPR on Monday, Defense Secretary Mark Esper said if U.S. troops or interests are threatened, the U.S. will have the right to retaliate.
As this high-stakes situation plays out, the danger is that Iran's fragile neighbors, Iraq and Afghanistan, will become collateral damage, writes the head of the United States Institute of Peace.
Satellite photos show the Iranian strike caused extensive damage — but apparently no loss of life — at the Ain al-Assad air base in Iraq. "We suffered no casualties," President Trump said Wednesday.