Original sentence: The Luftwaffe only learnt of this defection the next month when members of the crew, pilot Oberleutnant Heinrich Schmitt and Oberfeldwebels Paul Rosenberger and Erich Kantwill, made broadcasts on British radio
Edited sentence: The Luftwaffe only learnt of this defection the following month when members of the crew, pilot Oberleutnant Heinrich Schmitt and Oberfeldwebels Paul Rosenberger and Erich Kantwill, made broadcasts on British radio