 Complete the following phrase:  From there Kayser travelled to Bergen, where he involved himself in the illegal press. After some time he decided to take part in secret military and sabotage operations. He escaped to England in September 1941, and enrolled in the Norwegian Independent Company 1 led by Martin Linge. Kayser was recruited from the regular training to the so-called Finishing School, where the emphasis was on secret agent skills. His first mission was the 