Overview

Howitzers are a class of artillery designed to deliver shells on a high-trajectory arc, allowing fire over obstacles and onto targets in defilade. They are one major branch of field artillery; other forms include direct-fire field guns and mortars. For a general reference on the category see howitzers and broader discussions of field artillery.

Characteristics

Typical howitzer features include a relatively short to medium-length barrel (compared with long-barreled guns), wide elevation range for high-angle fire, and ammunition suited to indirect fire roles such as high-explosive, smoke, and illumination rounds. Howitzers are delivered as towed systems or mounted in self-propelled vehicles and often include mechanisms for rapid laying, a recoil system, and sighting or fire-control equipment.

Historical development

The term used in English derives from continental languages and older Central European words for short-barrelled siege ordnance. Over the 19th and 20th centuries, howitzers evolved from short-range siege and field pieces to more versatile weapons. During and after World War II they were lengthened, mechanized, and integrated with improved propellants and fire-control systems, producing hybrids often called gun-howitzers.

Types and common examples

  • Light and mountain howitzers: portable or packable designs for rough terrain and airborne use.
  • Towed medium and heavy howitzers: conventional field systems moved by trucks or prime movers.
  • Self-propelled howitzers: artillery mounted on tracked or wheeled chassis for mobility and protection.
  • Gun-howitzers: designs that combine longer barrels and flatter trajectories with traditional howitzer high-angle capability.

Representative models widely referenced in modern and historical literature include towed and lightweight pieces like the M777 and legacy designs such as the British 25-pounder, as well as self-propelled platforms including the M109 family and Soviet/Russian types like the D-30 and 2S19. For model-specific lists and technical summaries consult specialized sources such as field gun comparisons and ammunition guides (shell types).

Operational use and distinctions

Howitzers are principally used for indirect fire support: interdiction, counterbattery, suppression, and destruction of enemy positions. They are valued for flexibility—able to fire both high-angle plunging shots and, in modern gun-howitzers, comparatively flat trajectories. Distinctions from guns and mortars include barrel length, elevation range, mobility, and the balance between direct- and indirect-fire roles.

Further reading

To explore technical classifications, historical timelines, and service histories, look for dedicated artillery treatises and ordnance catalogues. Online reference portals and military studies frequently organize howitzers by caliber, mobility (towed vs self-propelled), and era; see general categories at howitzers and related material on field artillery. For doctrinal and historical context, consult archived analyses that address evolution since World War II and the transition toward modern gun-howitzers.