Landwehr n. : That part of the army, in Germany and Austria, which has completed the usual military service and is exempt from duty in time of peace, except that it is called out occasionally for drill.

Example:
email address of Peter Landwehr house 5 Franz Haeder Strasse 514699 Bergish Gladbach Germany?

Taxonomy
free encyclopedia, defence, The Baltic, Prussia, Baltic state, country, 1918, empire, Austro-Hungarian Army, militia, army, second line, bdcol, fileadmin, docs, bdr, twentieth-century Europe, Austria-Hungary.

Defination from the web:
Landwehr, or Landeswehr, is a German language term used in referring to certain national armies, or militias found in nineteenth- and early twentieth-century Europe. ... The Austrian Landwehr was one of three components that made up the ground forces of the Austro-Hungarian Dual ...