In 2007, as the submarine was approaching parallel to the Island, one of Widmore's crewmen saw through the periscope eight people standing on the beach camp: Jack, Hurley, Sun, Frank, Miles, Ilana, Richard, and Ben. Template:Crossref
The submarine later docked at Hydra Island, where Widmore's team, led by Zoe, began setting up a portable sonar fence to protect the dock area. The team later captured Sawyer and took him to Widmore aboard the submarine. The two struck a deal: if Sawyer led the Man in Black into a trap, Widmore would transport him and his friends safely off the Island. Template:Crossref
Sawyer later decided to capture Widmore's submarine as the vehicle to get him and other survivors off the Island. Template:Crossref However, the Man in Black attempted to sabotage his plan by placing a bomb aboard the sub. Sayid took the bomb away from the group and it blew a hole in the sub, killing him, and filling it with water until it sunk to the bottom of the ocean. Sun and Jin drowned. Template:Crossref
The submarine type resembles the 1980s Japanese Yūshio class submarine, which was widely decommissioned in the early years of the 21st century.