Gulf was at the forefront of various projects in the late 1960s intended to adjust the world oil industry to developments of the time including closure of the Suez Canal after the 1967 war. In particular, Gulf undertook the construction of deep water terminals at Bantry Bay in Ireland and Okinawa in Japan capable of handling Ultra Large Crude Carrier (ULCC) vessels serving the European and Asian markets respectively. In 1968, the "Universe Ireland" was added to Gulf's tanker fleet. At , this was the largest vessel in the world and incapable of berthing at most normal ports.