NEW ORLEANS — Combat operations are underway on the streets “to take this city back” in the aftermath of Hurricane Katrina.

“This place is going to look like Little Somalia,” Brig. Gen. Gary Jones, commander of the Louisiana National Guard’s Joint Task Force told Army Times Friday as hundreds of armed troops under his charge prepared to launch a massive citywide security mission from a staging area outside the Louisiana Superdome. “We’re going to go out and take this city...