The purpose of this is to prescribe those precise drills to be executed by the units of the howitzer company which are not prescribed in TR 50-15, 420-45, and 420-50.
The special object of this instruction is the training of the personnel of the battery in the dispositions and maneuvers requisite for getting the guns into position for action.
Principles and instructions for Light Artillery. Movements, commands, and other duties are explained in detail for the different positions a soldier is under.
This 1965 regulation sets forth "the procedures which are required for the preparation and conduct of ceremonies nad reviews at the US Army Artillery and Missile Center."