He offered total assistance to the Egyptian government, personally supervising operations and welcoming Egyptian combat planes into his country for their protection. Among the first to enlist were Prince Fahd of Saudi Arabia, Prince Sultan bin Abdulaziz, Prince Salman of Saudi Arabia, Prince Fahad bin Saud bin Abdulaziz Al Saud along with many other princes. As a means of exerting pressure on the British and French governments, he used a weapon never used before, when he blocked oil exports, banning all British and French tankers and other tankers carrying Saudi oil to these two countries. He also broke off relations with Britain and France.