Ordnance may refer to:

Military and defense

Materiel Materiel (; ) refers to supplies, equipment, and weapons in military supply-chain management, and typically supplies and equipment in a commercial supply chain context. In a military context, the term ''materiel'' refers either to the specifi ...

military logistics Military logistics is the discipline of planning and carrying out the movement, supply, and maintenance of military forces. In its most comprehensive sense, it is those aspects or military operations that deal with: * Design, development, acqui ...

, including weapons, ammunition, vehicles, and maintenance tools and equipment. **The military branch responsible for supplying and developing these items, e.g., the

United States Army Ordnance Corps The United States Army Ordnance Corps, formerly the United States Army Ordnance Department, is a sustainment branch of the United States Army, headquartered at Fort Lee, Virginia. The broad mission of the Ordnance Corps is to supply Army comb ...

Artillery Artillery is a class of heavy military ranged weapons that launch munitions far beyond the range and power of infantry firearms. Early artillery development focused on the ability to breach defensive walls and fortifications during siege ...

, often in a formal name, e.g., "

Ordnance Survey , nativename_a = , nativename_r = , logo = Ordnance Survey 2015 Logo.svg , logo_width = 240px , logo_caption = , seal = , seal_width = , seal_caption = , picture = , picture_width = , picture_caption = , formed = , preceding1 = , di ...

". *Artillery shells, specifically unexploded ordnance. *

Aircraft ordnance Aircraft ordnance or ordnance (in the context of military aviation) is weapons (e.g. bombs, missiles, rockets and gun ammunition) used by aircraft. The term is often used when describing the weight of air-to-ground weaponry that can be carried ...

, weapons carried by and used by an aircraft.

Places

* Ordnance, Oregon, a former community near the

Umatilla Chemical Depot The Umatilla Chemical Depot, (UMCD) based in Umatilla, Oregon, was a U.S. Army installation in the United States that stored chemical weapons. The chemical weapons originally stored at the depot consisted of various live munitions and storage con ...

* Ordnance Island, formerly a Royal Army Ordnance Corps

depot Depot ( or ) may refer to: Places * Depot, Poland, a village * Depot Island, Kemp Land, Antarctica * Depot Island, Victoria Land, Antarctica * Depot Island Formation, Greenland Brands and enterprises * Maxwell Street Depot, a restaurant in ...

, in St. George's Town, Bermuda

Maps-related

Ordnance datum In the British Isles, an ordnance datum or OD is a vertical datum used by an ordnance survey as the basis for deriving altitudes on maps. A spot height may be expressed as AOD for "above ordnance datum". Usually mean sea level (MSL) is used fo ...

(from use in ballistics), a vertical datum used as the basis for deriving altitudes on maps *

, the national mapping agency for Great Britain

Military and defense

Places

Maps-related

See also