Yankee Company, 45 Commando Marines RM – on exercise in the Arctic carried out an assault at the end of a six week training package by storming 16 inch guns of Trondesnes Fort near Harstad one of Hitler's fortresses in a three hour in northern Norway.    45 Commando are the experts in cold weather warfare, and this was Exercise Cetus 13 some 150 miles north of the Arctic Circle.     The Arbroath based 45 Commando RM, plus the Commando Logistic Regiment (Chivenor) and support from the Commando Helicopter Force at Yeovilton, have completed two months of training in the high north.    The attack ended with the “Adolf Guns” in Royal Marines hands before three Norwegian HUEY helicopters and Fleet Air Arm SEA KING HC.4 helicopters of 845 Naval Air Squadron swept up the fjord to extract Yankee Company – and Cetus 13 was completed.