== Perang Dunia I ==
[[Perlumbaan senjata]] bermula, terutamanya antara [[Jerman]] dan [[United Kingdom]].
The [[Royal Navy]] of the United Kingdom had ruled the seas for most of the [[abad ke-19]], but [[Kaiser Wilhelm]] set out to change that, in part for strategic reasons, but mainly due to a simple desire for a large navy.
The culmination of this race was a stalemate in [[Perang Dunia I]]. The German [[High Seas Fleet]] and the British [[Grand Fleet]] were too valuable to throw away in battle and so both fleets spent the majority of the war in port, waiting to respond should the other go to sea. The only engagement between the fleets was the abortive [[Pertempuran Jutland]]: a German tactical victory (fourteen British ships were sunk to eleven German) but a British strategic victory (the [[High Seas Fleet]] remained in port for the rest of the war).
Selepas Perang Dunia I, [[Armistice]] [] memaksa kebanyakan Angkatan Laut Dalam Jerman disimpan di [[Scapa Flow]]. Kapal-kapal tersebut ditenggelamkan dengan jayanya oleh kelasi-kelasi Jerman sendiri.
== Perang Dunia II ==