The actress, sentenced in the college admissions scandal, was wearing a green uniform as husband William H. Macy and daughter Sophia Grace Macy visited.
Engineers planned controlled explosions to mitigate further damage at the site of the destroyed Hard Rock Hotel where three people died on Oct. 12.
Three other soldiers were treated for non-life-threatening injuries in the middle-of-the-night incident at the home of the 3rd Infantry Division.
The infant's stepmother was driving with the child in the car on Saturday evening when shots rang out.
Some 20 Iranian students were barred from boarding flights to the U.S. during September, despite having the necessary paperwork.