Long-form archive

History in context

In-depth research places operations, navigation systems and technical subjects in their wider historical context, supported by timelines, diagrams and links into the ship archive.

Profile drawing of Z1 Leberecht Maas

Operational analysis · 14 min read

Operation Wikinger

Friendly fire, mine warfare and the loss of two German destroyers on 22 February 1940.Read the article →
Kriegsmarine Marinequadratkarte

Navigation and communication · 6 min read

Marine­quadratkarte

How the Kriegsmarine encoded positions at sea in a compact six-character coordinate.Read the article →