There photos were taken of the Midway Island Harbor, when Midway Phoenix Corporation was still operating the island. After MPC made their final exit from the island, on May 1, 2002, the US Fish and Wildlife Service removed the Tug Boats from the island. The Tug Boats were used for escorting large ships into the Cargo Pier. They were also used for meeting ships at sea, for Medivac operations.