Sentry duty

Definition and stakes

James Anson Farrer,  Military Manners and Customs

“ But it is the long hours of sentry duty, popularly called ‘Sentry-go,’ which constitute the soldier’s greatest bane. Guard duty in England, recurring at short periods, lasts a whole day and night, every four hours of the twenty-four being spent in full accoutrements in the guard-room, and every intervening two hours on active sentry, thus making in all—sixteen hours in the guard-room, and eight on the sentry post. ”
Source: Gutenberg

J. P. Cole,  Military Instructors Manual

“ By day any existing loop-holes may be used by a sentry for observation purposes, but this must be strictly prohibited at night, when the sentry must look over the parapet. If a sentry is continually fired at, the section commander will post him in another position, but not too far from his original position. There is no excuse for a man going to sleep on sentry duty; if he is sick he should report the fact to the non-commissioned officer, who will report to superior authority. ”
Source: Gutenberg

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