Page "Operation Sea Lion" Paragraph 3

By early November 1939, Adolf Hitler had decided on forcing a decision in the West by invading Belgium, the Netherlands and France.

With the prospect of the Channel ports falling under Kriegsmarine ( German Navy ) control and attempting to anticipate the obvious next step that might entail, Grand Admiral ( Großadmiral ) Erich Raeder ( head of the Kriegsmarine ) instructed his operations officer, Kapitän Hans Jürgen Reinicke, to draw up a document examining " the possibility of troop landings in England should the future progress of the war make the problem arise.

" Reinicke spent five days on this study and set forth the following prerequisites: