MIAMI — The U.S. government on Monday took possession of a Boeing cargo plane in the Miami area that had been sold by a sanctioned Iranian airline to a Venezuelan company in violation of federal export control laws, according to the Justice Department. The 747-300M cargo plane, flown from Argentina to Miami early in the morning, was owned by Mahan Air, an Iranian company targeted by the U.S. government for its support of the Islamic Revolutionary Guard Corps-Quds Force, officials said. The Islamic force is a branch of the Iranian military and designated by the United States as a terrorist orga…