[1] The petit ouvrage[nb 1] was in effect designed and built as an isolated casemate, as opposed to an ouvrage with multiple combat blocks, deep underground support services and accommodations[4] Coume Annex Nord comprises a single casemate.

[4][5] The 1940 manning of the ouvrage under the command of Lieutenant Dillenschneider comprised 35 men and 1 officer of the 161st Fortress Infantry Regiment.

[6] The Casernement de Ban Saint-Jean provided peacetime above-ground barracks and support services to Village Coume and other positions in the area.

[4][7] Coume Annexe Nord played no significant role in either the Battle of France in 1940 or the Lorraine Campaign of 1944.

Coume Annexe Nord remains in good condition, in private ownership.