midnight
Young Benson was wise enough not to attempt to take too much of a part in the conversation with so many experienced naval officers present . Yet he remained , listening , for the talk was highly instructive . `` I 'll have to go up and signal for my boat , '' declared Lieutenant McCrea , rising , at last . `` I want a bit of sleep , for I 'm watch officer on the ` Luzon ' to-night , from dog watch to midnight . '' After the lieutenant had gone , Captain Jack suddenly rose , hastening to the platform deck , where Hal Hastings stood on watch . `` What 's the matter ? '' demanded Hal , looking keenly at his chum .