Ocean Network Express (ONE) was established by integrating the container liner businesses of MOL, Nippon Yusen Kaisha (NYK), and Kawasaki Kisen Kaisha ("K" Line) and commenced service in April 2018. The total fleet capacity after the integration is 1.8 million TEUs, the world's sixth largest (as of December 2023). ONE operates 232 containerships, including 31 super-large ships in the 24,000TEU class, among the world's largest a broad-ranging network in over 120 countries all over the world.