I only did 3 years as an 11C on 60mm, but I believe that is closer to a search and traverse, they are dropping a round turning the deflection wheal a couple of turns dropping another round without leveling the gun back onto to the poles. If I remember right it's a quick way to get a linear spread. TOT is the process where artillery located in various distant areas time their shots based on time of flight so that all rounds land in a given area at the same time. Bracketing is deliberately over or under correcting after a first shot to eventually get on target. To be honest bracketing never made much sense to me, but like I said I was a one termer so maybe I don't understand the finer points. All the other stuff is recalection from 20 yrs ago so I may be completely full of shit
