Permanent exhibitions at the DSM include: • Central European shipping in the prehistoric, Roman, and medieval periods (with the
Bremen cog of 1380 as the main exhibit). • German shipping in early modern times (1500 to 1800). • German shipping in the post-1800 industrial age (with the paddle-steamer "Meißen" of 1881 as main exhibit), military shipping (with the "Seehund" class submarine of 1945 as main exhibit), industrial ships' engines (with engines and reactor control panel of the nuclear-powered vessel
Otto Hahn of 1968 as main exhibit). • Shipping Channels (navigation, marine cartography, navigation marks, navigable waters). • Outdoor museum port with coastal, inland, and sea vessels from 1867 to 1985, as well as cargo handling equipment, buoys, etc. Flagship is the world's largest preserved cargo sailing ship made of wood – the bark
Seute Deern of 1919; it was announced in October 2019 that, in light of a survey which found that the ship is beyond repair,
Seute Deern is to be broken up in situ. • An extension opened in 2000 is home to the other sections – polar and marine research, whaling, deep-sea fishery, sea-rescue, as well as sailing as a sport and rowing. • The
Wilhelm Bauer, a sample of the
Type XXI submarines operated by the
Kriegsmarine for a short time near the end of WW II; this is the last fully intact, floating example of this class of craft. == References ==