When Otacon accepts the four photos, the Tanker is closed for this run and the game moves on to the Plant. Check that you hold every one of these first. Dog tags (Easy): Aft Deck, guard 1; Aft Deck, guard 2; Aft Deck, guard 3; Deck A, Crew's Quarters, guard 1; Deck A, Crew's Lounge, guard 1; Deck A, Crew's Lounge, guard 2; Deck B, Crew's Quarters, guard 1; Deck D, Crew's Quarters, guard 1; Deck D, storeroom stairs guard; Olga; Navigational Deck Wing guard; Deck A, Crew's Lounge, guard 3; Engine Room, guard 1; Engine Room, guard 2; Engine Room, guard 3; Engine Room, guard 6; Engine Room, guard 4; Engine Room, guard 5; Deck 2, Port, guard 1; Deck 2, Port, guard 2; Deck 2, Port, guard 3; Hold No. 1, front-row marine; Hold No. 1, upper-level marine; Hold No. 3, second-floor marine; Hold No. 3, dozing marine; Hold No. 3, front-row marine. Optional: Retake the marine photo if run 1 missed it (upload it before the four photos). An Easy tag missed here comes back only by playing the Tanker on Easy again from a clear save.