In 1940 , the FallschirmjÃ ger paratroops conquered the Belgian Fort Eben-Emael and took part in the airborne invasion of Norway , but after suffering heavy losses in the Battle of Crete , large scale airdrops were discontinued . In 1940 , the FallschirmjÃ ger ( paratroops ) conquered the vital Belgian Fort Eben-Emael and took part in the airborne invasion of Norway , but after suffering heavy losses in the Battle of Crete , large scale airdrops were discontinued .