he Bremen cog or Bremer Kogge is a well-preserved wreck of a cog dated to 1380, found in 1962 in Bremen. Today, it is displayed at the German Maritime Museum in Bremerhaven as one of the main features. Three nearly identical replicas of this cog have been built: Ubena von Bremen, Hansekogge, and Roland von Bremen. This is a model of a kogge about to sink...