Talks continue, but Polish defense-acquisition officials have deemed three submarine vendors as front runners.

The U17 was one of 18 Type 206 U-Boats designed to operate in the shallow Baltic Sea and constructed by Howaldtswerke-Deutsche Werft (HDW) for the Bundesmarine between 1969 and 1975. Though not ...

But U.S. intelligence officials have assessed that ... a Chinese commercial ship has apparently been forced to anchor in the Baltic Sea, surrounded and monitored by naval and coast guard vessels ...

recalled the mystery of U-boat 534, which, although based in the Baltic Sea, was found filled with tropical gear such as lightweight uniforms and guides to South America. Credit: Liverpool Echo ...