Anti-aircraft artillery

The 10.5 cm FlaK 38 was a German anti-aircraft gun used during World War II by the Luftwaffe.

The 2-pounder gun, officially designated the QF 2-pounder (QF denoting "quick firing") and universally known as the pom-pom, was a 40-millimetre (1.6 in) British autocannon, used as an anti-aircraft gun by the Royal Navy.

The 45 mm anti-aircraft gun (21-K) was a Soviet design adapted from the 45 mm anti-tank gun M1937 (53-K).

The 90 mm Gun M1/M2/M3 served as a primary heavy American anti-aircraft and anti-tank gun, playing a role similar to the renowned German 88 mm gun.

The Bofors 40 mm gun, often referred to simply as the Bofors gun, is an anti-aircraft/multi-purpose autocannon designed in the 1930s by the Swedish arms manufacturer AB Bofors.

The Gryazev-Shipunov GSh-6-30 (Russian: Грязев-Шипунов ГШ-6-30) is a Russian 30 mm Gatling-style aircraft-mounted and naval autocannon used by Soviet and later CIS military aircraft.

The Becker Type M2 20 mm cannon was a German automatic cannon developed for aircraft use during World War I by Stahlwerke Becker.

57 mm AZP S-60 (Russian: Автоматическая зенитная пушка С-60, abbrev. АЗП (AZP); literally: Automatic anti-aircraft gun S-60) is a Soviet towed, road-transportable, short- to medium-range, single-barrel anti-aircraft gun from the 1950s.

The QF 4-inch gun Mk IV was the main gun on most Royal Navy and British Empire destroyers in World War I.

The Type 96 25mm Gun (九六式二十五粍高角機銃 Kyūroku-shiki nijyūgo-miri Kōkakukijū) was an automatic cannon used by the Imperial Japanese Navy during World War II.

The 1.1"/75 caliber gun was an American anti-aircraft weapon of World War II.

100 mm air defense gun KS-19 (Russian: 100-мм зенитная пушка КС-19) was a Soviet anti-aircraft gun.

A director, also called an auxiliary predictor, is a mechanical or electronic computer that continuously calculates trigonometric firing solutions for use against a moving target, and transmits targeting data to direct the weapon firing crew.

The 37mm Gun M1 was an anti-aircraft autocannon developed in the United States.

The 3.7 cm Flak 18/36/37/43 was a series of anti-aircraft cannon produced by Nazi Germany that saw widespread service in the Second World War.

The 8.8 cm Flak 18/36/37/41 (commonly called the eighty-eight) was a German 88 mm anti-aircraft and anti-tank artillery gun from World War II.

The QF 1 pounder, universally known as the pom-pom due to the sound of its discharge, was a 37 mm British autocannon, the first of its type in the world.

The Flak 30 (Flugabwehrkanone 30) and improved Flak 38 were 20 mm anti-aircraft guns used by various German forces throughout World War II.

The Oerlikon 20 mm cannon is a series of autocannons, based on an original German 20 mm Becker design that appeared very early in World War I.

The Oerlikon GDF or Oerlikon 35 mm twin cannon is a towed anti-aircraft gun made by Oerlikon Contraves (renamed as Rheinmetall Air Defence AG following the merger with Rheinmetall in 2009).

The ZU-23-2, also known as ZU-23, is a Soviet towed 23 mm anti-aircraft twin-barreled autocannon.

The 3.7 cm SK C/30 was the German Kriegsmarine's primary 3.

The 120 mm Gun M1 was the United States Army's standard super-heavy anti-aircraft gun, complementing the smaller and more mobile M2 90 mm gun in service.