Admiral Sandy Winnefeld, USN (ret.), former Vice Chairman of the Joint Chiefs of Staff and now distinguished professor in the Sam Nunn School of International Affairs, was interviewed by CBS News in "What were Iran's goals with the attack on bases in Iraq housing U.S. troops?"
Read an excerpt:
"This is a big sprawling airbase. Mostly desert," Winnefeld said. "They could have targeted these missiles into remote areas to avoid any possibility that an American could be killed. Or they might have done what we would've done, and that is perhaps target aircraft on the ramp, but not barracks or places where there would be a lot of people."