The German Mine Sweeping Administration (GMSA) was an organisation formed by the Allies from former crews and vessels of the Nazi Germany's Kriegsmarine for the purpose of mine sweeping after the Second World War, predominantly in the North Sea and Baltic Sea, which existed from June 1945 to January 1948.
The Kriegsmarine (War Navy) was the navy of Nazi Germany from 1935 to 1945.
The list of German Federal Navy ships includes all ships commissioned into service with the Bundesmarine, the German navy which served West Germany during the Cold War from its foundation in 1956 through the unification of Germany in 1990, after which it was renamed German Navy (Deutsche Marine) in 1995.
A minesweeper is a small naval warship designed to engage in minesweeping.
Nazi Germany or the Third Reich (Drittes Reich) are common English names for the period of history in Germany from 1933 to 1945, when it was a dictatorship under the control of Adolf Hitler and the Nazi Party (NSDAP).
The R boats (Räumboote in German) were a group of small naval vessels built as minesweepers for the Kriegsmarine (German navy) before and during the Second World War.
The Spanish Navy (Armada Española), or Spanish Armada, is the maritime branch of the Spanish Armed Forces and one of the oldest active naval forces in the world.
A Sperrbrecher (German; informally translated as "pathfinder" but literally meaning "minefield breaker"), was a German auxiliary ship of the First World War and the Second World War that was intended to serve as a type of minesweeper, by sailing ahead of other vessels through minefields, intending to detonate any mines in their path.
A torpedo tube is a cylinder shaped device for launching torpedoes.