The United Kingdom announces it is joining a United States-led naval mission in the Persian Gulf to protect oil tankers, following several seizures in international waters by Iran's Islamic Revolutionary Guard Corps.
Australia announces that it has agreed to join the United States' coalition, along with the United Kingdom and Bahrain, to prevent Iran from targeting ships travelling through the Strait of Hormuz. Australia will deploy a Boeing P-8 Poseidon and a frigate.
Iraqi Prime Minister Adil Abdul-Mahdi signs a decree ordering all Iranian-backed Shia militias to integrate into the Iraqi Armed Forces by the end of July. The decree will change the names of the militias such as the Popular Mobilization Forces to new divisions and brigades within the military.