Norwegians trained in industrial sabotage at Brickendonbury Manor, near Hertford, U.K. were infiltrated by the 'Shetland Bus', fishing boats, motorboats, submarines or parachuted in by planes to attack targets across Norway. They included Karl Aarsaether, Jan Allen, Johannes S. Andersen, Gunnar Berg, Torfinn Bjornas, Svein Blindheim, Peter Deinboll, Andreas Fasting, Kasper Fjell, Gunnar Fougner, Arne Gjestland, Per Getz, Gregers Gram, Sverre Granlund, Torleif Grong, Arne Haegstad, Knut Haukelid, Claus Helberg, Thor Helliessen, Willy Houlder, Kasper Idland, Fredrik Kayser, Arne Kjelstrup, Frithjof Pedersen Kviljo, Ruben Langmo, Alf Lindeberg, Martin Linge, Max Manus, Odd Nilsen, Nils Nordland, Martin Olsen, Erik Gjems-Onstad, Arthur Pevik, Johnny Pevik, Jens Anton Poulsson, Joachim Ronneberg, Einar Skinnarland, Paal Skjaerpe, Gunnar Sonsteby Odd Starheim, Hans Storhaug, Birger Stromsheim, Harald Svindseth, Edvard Tallasken, Gunvald Tomstad, Ragnar Ulstein, Karl Vilnes, Leif Well and Aasmund Wisloff. .