Grandslam is easier than Nutcracker in my opinion, at least it was for me.
dont even think about building basha or what from now on lah. whenever you go outfield means sleep anywhere also can la, even if you really allowed to build shelter it would most prob be juz a ground sheet tied above to keep away the rain.
Grandslam is about harbouring, meaning 1/3 alert at all times meaning 1/3 of the platoon will be on alert (cannot sleep) while the rest catch some rest.
rest usually means to stay at your assigned position but u no need to be on alert lah. section by section will be dispatched out for patrols and/or ambushes, standard fare. thats about all.
EXERCISE (not operation) nutcracker involves defence operation, meaning shellscrape and trench digging, and some defence ops routine loh. the hard part is the digging part loh, pray that it dun rain, otherwise you'll be digging water instead

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how may people to dig depends on the OC. in my time 3 person required to come up with 3 shellscrapes (one each) and 1 trench. that was the only complete trench i ever dug in my NSF days.
EXERCISE is training parts la, OPERATION is the real thing, hence got to distinguish between the two.
enjoy!
