. . . "USS G-1 soon after launching, in 1911"@en . . . "The G class submarines were a class of four United States Navy submarines. While the four G-boats were nominally all of a class, they differed enough in significant details that they are sometimes considered to be four unique boats, each in a class by herself."@en . "300"^^ . . "United States G-class submarine"@en . . . . . "The G class submarines were a class of four United States Navy submarines. While the four G-boats were nominally all of a class, they differed enough in significant details that they are sometimes considered to be four unique boats, each in a class by herself."@en . . . . . . .