Iraq invited bids from local and international companies for two new oil tankers and another for chemical products. The country’s fleet of oil tankers was devastated by tit-for-tat shelling during the 1980-88 Iran-Iraq war and by attacks during the 1991 U.S.-led Gulf War. Last year, Iraq signed a $65 million contract with China to buy three oil tankers to boost exports. Two ships, named for Iraq’s...