midnight
It will keep suspicion from us should we be watched . '' `` All right , '' said Frank . `` Come on . '' With the coming of midnight Frank and Jack returned to the spot where the aeroplanes had been parked . Several of the German aviators already had returned . The man who appeared to be the leader announced that they would await the arrival of the others before taking to the air . The others arrived one at a time until all were present but two .