In Battery. The position of field-guns when unlimbered and prepared for action. Also applied to heavy guns when in the firing position; also the command for the movement in both cases. Heavy guns are “from battery” when in the loading position.
In Gear. A command in the service of heavy guns, to cause the eccentrics of the truck-wheels to be thrown in gear. Also refers to the position of the eccentrics when the command is executed.
In Line. Refers to the formation of troops when posted, or marching, with extended front.
Inaccessible. A general term for any distance or height which cannot be approached for any military purposes.
Inactive. Not disposed to action or effort; not diligent or industrious; not busy; idle; as, an inactive officer.
Inca. A king or prince of Peru, before the conquest of that country by the Spaniards.
Incapable. A term of disgrace, frequently annexed to military sentences, when an officer has been cashiered by the sentence of a general court-martial, and rendered incapable of ever serving his country in either a civil or military capacity.
Incendiary Compositions. Used to set fire to buildings, shipping, etc., have been known and used from the earliest times. [Greek fire] (which see) was extensively used in the 7th century. Among modern incendiary compositions are [fire stone], sometimes called rock fire, and [Valenciennes composition] (which see).
Incendiary Shells. Are shells containing incendiary compositions. See [Carcass] for modern example.
Incensed, or Animé. An epithet applied in heraldry to panthers or other wild beasts borne with flames issuing from their mouth and ears.