[4] The military version contained either an Army or Navy emblem on the front, depending upon which branch it was issued to.

[9] Following World War I the Danish government fell into line with other industrialized nations and began to equip their soldiers with steel helmets.

This new trend emerged from the trenches of World War I where steel helmets greatly reduced casualties.

The Danish military accepted plans for the helmet in 1923 from army Captain H. E. Johnsen and chief engineer G.A.P.

[1] The helmet saw combat during the German invasion of Denmark, Operation Weserübung, on April 9 1940, and very limited use with the Danish volunteers in Finland during the Winter War.