U.S. military commanders in the Middle East are urging the Pentagon to intensify the air war against Islamic State targets in Iraq, two Defense Department officials said Wednesday.

Top officers at Central Command, which oversees military operations in the Middle East, are urging that the list of targets be expanded, according to the officials who spoke on condition of anonymity because they were not authorized to speak publicly about the plans.

The expanded target list does not mean the U.S. military is going to hit them immediately, one official said. The list has been built up to provide options for commanders. […]