Because mobility makes it more difficult for the enemy to locate and shell it. This is why all sides in WW2 went to great lengths to build self propelled guns. (essentially, tanks with large guns and less armour.)
Most military historians cite the advantage the Prussians had in artillery over the French army in the Franco-Prussian War. The Prussians had breech loading cannons while the French army still was using muzzle loading cannons.
Lee's decision to force Grant into fighting in deep forest, where the Union army would not be able to take advantage of its superior artillery.
He would command a regiment of artillery
Pakistan Army Regiment of Artillery was created in 1947.
The use of captured British artillery helped the Continental army gain control of Boston in 1776.
This would be refered to as the Artillery Park. Some artillery, specifically missiles and related equipment, may be kept in a Missle Storage Area (MSA).
The Army as an artillery officer.
United States Army Field Artillery School was created in 1911.
Go the US Army's 4th Artillery website.
The US Army's 175mm Self Propelled Gun refers to the M107/M110, a mobile artillery vehicle equipped with a 175mm gun. It was developed in the 1950s and saw service during the Vietnam War. The vehicle provided long-range firepower support to ground forces.
These would all be under the U.S Army.
there is only one base in Oklahoma which is a artillery base