A US military plane taking part in NATO exercises has crashed in Norway, killing all four American troops on board, the Scandinavian country’s army said on Saturday. The four were taking part in the Cold Response military exercises involving 30,000 troops from NATO and partner countries. About 200 planes and some 50 ships are taking part in the exercises, which will continue until April 1. Their plane, a V-22B Osprey aircraft belonging to the US Marine Corps, was reported missing on Friday evening south of Bodo in northern Norway. At 01:30 (0030 GMT) on Saturday, “the police arrived at the sce…