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.
Victor Vickery had been in bed with his girlfriend when they heard a man with a history of peeping at their window.
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.
The infant's stepmother was driving with the child in the car on Saturday evening when shots rang out.