Operation Blaue-Linie (i)

Blue Line

This was a German defence line between Pirou and an area to the south of Périers in north-western France for SS-Oberstgruppenführer und Generaloberst der Waffen-SS Paul Hausser’s 7th Army in the area of St Lô (July 1944).

The German forces abandoned the position on 28 July.