Complex sentence: When JG 1 was initially formed under Major Woldenga as I./JG 1, its emblem was designed by Woldenga as a German Crusader's cross on which a flight of three Bf 109s was transposed.
Split into simpler sentences: When JG 1 was initially formed under Major Woldenga as a group I./JG 1, its emblem was designed by Woldenga himself. The emblem of the unit was of a German Crusader's cross on which a flight of three Bf 109s was transposed.