A Submarine is a fleet of Tau'ri watercraft that can operate independently below water, as distinct from a submersible that has only limited underwater capability.

In 2000, a Replicator-controlled Biliskner crashed into a Russian submarine, where the Replicators soon took control of it. The Dallas destroyed the Replicator incursion. (SG1: "Small Victories")

During World War II, German submarines were called U-boats. (SG1: "Continuum")

Known submarinesEdit

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