Only a single prototype was constructed before Germany's invasion of Norway in 1940.

During the war he fought against the German invasion of Norway, and was imprisoned several times.

As such he saw active service in the battles surrounding the German invasion of Norway.

One of the vessels that participated in the invasion of Norway came from this base.

The German invasion of Norway in 1940 caused construction to stop, and it was not resumed until 1947.

Four of these aircraft took part in the invasion of Norway.

His education, however, was interrupted by the German invasion of Norway.

The invasion of Norway took place in early April 1940.

This was planned to be the bridge to the invasion of Norway.