sentry go(n = noun.act) guard, guard duty, sentry duty - the duty of serving as a sentry; "he was on guard that night"
is a kind of assignment, duty assignment

come and go, go, go a long way, go about, go across, go after, go against, go ahead, go all out, go along, go along with, go around, go around in circles, go astray, go at, go away, go back, go back on, go back over, go bad, go ballistic, go before, go between, go beyond, go board, go by, go deep, go down, go down on, go dutch, go far, go fish, go for, go for broke, go forth, go forward, go game, go getter, go go, go home, go in, go in for, go in with, go into, go off, go off at half-cock, go off half cocked, go off half-cocked, go on, go on and on, go one better, go out, go over, go over big, go overboard, go past, go places, go slow, go steady, go straight, go the limit, go through, go through the motions, go to, go to bed, go to extremes, go to great lengths, go to it, go to pieces, go to pot, go to sleep, go to the dogs, go to town, go to war, go together, go too far, go under, go up, go up in smoke, go with, go without saying, go wrong, have a go, have a go at it, hide and go seek, let go, let go of, let it go, letting go, no go, on the go, sentry, sentry box, sentry duty, touch and go