One year ago on the night of Jan. 7, 2020, Americans were shocked to learn that Iran had launched more than a dozen ballistic missiles at U.S. and coalition forces in Iraq. Iran called it “fierce revenge” for the assassination of Gen. Qassem Soleimani. As reports of the attack inundated the airwaves, viewers were left wondering what had happened — and perhaps most importantly — were there casualties? The barrage damaged runways, tents, equipment and a helicopter, and the Pentagon acknowledged that 110 people needed to be treated later for traumatic brain injuries. No one was killed. The remaining U.S....