The Nelson was lying, guarded night, and day, in a field just out of the city, on the Pacific side, and Leroy was impatiently keeping his eyes on the guards most of the time.  There was a subconscious notion in the minds of all the boys that there were enemies about, and that the aeroplane would never be fully out of danger until she was well over the ocean on her way south.  Gates had arrived only that morning, and now the lads were eager to be off.