the following forces were thus organized : gruppe 1 : ten destroyers to narvik gruppe 2 : the heavy cruiser admiral hipper and four destroyers to trondheim gruppe 3 : the light cruisers kln and knigsberg , with several smaller support vessels to bergen gruppe 4 : the light cruiser karlsruhe and several smaller support vessels to kristiansand gruppe 5 : the heavy cruisers blcher and ltzow , the light cruiser emden and several smaller support vessels to oslo gruppe 6 : four minesweepers to egersund additionally , the battlecruisers scharnhorst and gneisenau would escort gruppe 1 and gruppe 2 as they traveled together , and there would also be several echelons of tankers carrying additional troops , fuel and military equipment .