The DS30B rapid-fire cannon is a 30mm Oerlikon stabilized, ship-protection system created by MSI-Defence Systems and controlled by a single operator.

Description

The DS30B system consists of a marinized, stabilized gun mount which accommodates the

Oerlikon KCB The KCB is a 30 mm caliber autocannon, developed by Hispano-Suiza as HS.831. When Rheinmetall Air Defence, Oerlikon purchased Hispano's armaments division, the gun became KCB. Development HS.831 is a scaled-up version of the 20 mm Hispano-Suiza ...

30mm cannon. The DS30B is the predecessor to the

30mm DS30M Mark 2 Automated Small Calibre Gun The 30mm DS30M Mark 2 is a ship-protection system made by MSI-Defence Systems consisting of a 30mm Mark 44 Bushmaster II cannon on an automated mount. It was designed to defend Royal Navy frigates from fast inshore attack craft armed with short- ...

, which mounts a 30mm Mark 44 Bushmaster II.

Operators

* Used by the

Royal Australian Navy The Royal Australian Navy (RAN) is the principal naval force of the Australian Defence Force (ADF). The professional head of the RAN is Chief of Navy (CN) Vice Admiral Mark Hammond AM, RAN. CN is also jointly responsible to the Minister of ...

to equip ''Huon''-class minehunters * Used by the Indonesian Navy to equip ''Bung Tomo''-class corvettes * Used by the Lithuanian Naval Force to equip the ''LNS Skalvis'' and ''LNS Kuršis'' minehunters. * Used by

Royal Malaysian Navy The Royal Malaysian Navy (RMN, ms, Tentera Laut Diraja Malaysia; TLDM; Jawi: ) is the naval arm of the Malaysian Armed Forces. RMN is the main agency responsible for the country's maritime surveillance and defense operations. RMN's area of o ...

to equip the following ships: ** ''Lekiu''-class frigate ** ''Kasturi''-class corvette ** ''Gagah Samudera''-class training ship https://www.royalnavy.mod.uk/the-equipment/ships. ''Royal Navy''. Retrieved April 18, 2018. * The

Royal Navy The Royal Navy (RN) is the United Kingdom's naval warfare force. Although warships were used by English and Scottish kings from the early medieval period, the first major maritime engagements were fought in the Hundred Years' War against F ...

uses the system to equip the following ships: ** Type 45 destroyer **

River-class offshore patrol vessel The River class is a class of offshore patrol vessels built primarily for the Royal Navy of the United Kingdom. A total of nine were built for the Royal Navy (RN), four Batch 1 and five Batch 2. One Batch 1 (), which was the Falklands guard ...

** Fort II-class auxiliary oiler and replenishment ** ''Sandown''-class minehunter ** Hunt-class minehunter ** ''Archer''-class fast patrol boat (" for but not with") **

Wave-class tanker The Wave-class tankers are a class of fast fleet tankers in service with the Royal Fleet Auxiliary. The class is tasked with providing fuel, food, fresh water, ammunition and other supplies to Royal Navy vessels around the world. There are two ...

** Bay-class landing ship dock ** RFA ''Argus''

References

30 mm artillery Naval guns of the United Kingdom Naval guns of the United States Naval anti-aircraft guns Anti-aircraft guns of the Cold War Autocannon {{artillery-stub