Template:12InchMortar
Twelve inch coastal defense mortars were normally deployed in batteries that typically contained two mortar pits with four mortars in each pit. The mortar pits were about 40' x 75'.
Each mortar pit of 4 mortars was manned by a pit section consisting of 88 enlisted men under a pit commander divided into four mortar detachments (14 men each) and a single ammunition detachment of 31 enlisted men.