Global Ship Lease, Inc., together with its subsidiaries, engages in owning and chartering of containerships under fixed-rate charters to container shipping companies worldwide. As of March 10, 2025, it owned 70 mid-sized and smaller containerships, ranging from 2,207 to 11,040 twenty-foot equivalent unit (TEU), with an aggregate capacity of 404,681 TEU. The company was formerly known as Marathon Acquisition Corp. and changed its name to Global Ship Lease, Inc.