Secret facilities

Arnlaug Paulseth was a cold warrior in one of Norway's most secret, underground military bases. 30 years later, she's back - to decay and mold.

Even those who lived on the small farm did not know what secrets it hid.

Four secret Norwegian missile bases were to stop the Soviets. With nuclear weapons, if necessary.

Oscarsborg is more than a monument to April 9. Under the fortress that sank the "Blücher" lies a secret defense facility where very few have been allowed to set foot.

In the summer of 1968, Norway is a hair's breadth away from war. For over 30 years, the authorities keep the incident a secret.