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9LV is a Naval Combat Management System (CMS) from the Swedish company
Saab Saab or SAAB may refer to: Brands and enterprises * Saab Group, a Swedish aerospace and defence company, formerly known as SAAB, and later as Saab AB ** Datasaab, a former computer company, started as spin off from Saab AB * Saab Automobile, a fo ...
. The 9LV was established when Philips Teleindustri AB (1975 renamed Philips Elektronikindustrier AB), a subsidiary of
Philips Koninklijke Philips N.V. (), commonly shortened to Philips, is a Dutch multinational conglomerate corporation that was founded in Eindhoven in 1891. Since 1997, it has been mostly headquartered in Amsterdam, though the Benelux headquarters i ...
of the Netherlands, was selected as the supplier of the torpedo and dual purpose gun fire control system including a radar fire control director for the
Royal Swedish Navy The Swedish Navy ( sv, Svenska marinen) is the naval branch of the Swedish Armed Forces. It is composed of surface and submarine naval units – the Fleet () – as well as marine units, the Amphibious Corps (). In Swedish, vessels of ...
''Norrköping''-class torpedo boats. Prior to the ''Norrköping'' class, Philips provided torpedo fire control to and ''Plejad''-class torpedo boats, as well as to and s, and also anti-submarine fire control for the s and . However, not until the air defence fire control and radar fire control director was introduced, the name 9LV was established; LV is the Swedish abbreviation for "luftvärn", i.e. air defence. 9LV is currently used on several classes of naval combatants, including the Australian s, the Swedish s, the Canadian s and the Australian ships. It will be used on the
Norwegian Coast Guard The Norwegian Coast Guard ( no, Kystvakten) is a maritime military force which is part of the Royal Norwegian Navy. The coast guard's responsibility are for fisheries management, fisheries inspection, customs enforcement, border control, law e ...
’s new Jan Mayen-class vessels.


Name etymology

The heritage of the name ''9LV'' can be traced back to the late 1960s and Philips Teleindustri (Järfälla, SE). Philips gave the number nine to the product from Sweden. ''LV'' is the Swedish abbreviation for Ground Based Air Defence (GBAD), in Swedish "Luftvärn". Often, a specific ship class 9LV configuration is identified by a three digit number, consisting of one complexity digit and a two digit serial or country code. The first digit is defined by the following table.


Naval Combat Management introduction

A Naval Combat Management System (CMS) is the computer system that connects a naval ship's sensors, weapons, data links, support measures and other equipment to the officers and staff performing the tasks in combat through the cycle of the OODA loop. Typical functions include sensor control, sensor data fusion, threat evaluation, weapons assignment, weapons control etc.


9LV Mk1 (1968–1977)

To meet the requirements of the Royal Swedish Navy weapon control system on the ''Norrköping''-class, the 9LV200 system was developed from 1968 by Philips Swedish subsidiary ("Philips TeleindustriAB", PTAB). The contract was awarded PTAB 1969. The solution included was based on analogue computers with a newly developed hydraulically controlled director platform and a frequency agile Ku-band fire control radar, Ceros. The solution also included an X-band track-while-scan target acquisition radar. In the Royal Swedish Navy, the system was denoted "ARTE 722". Mk1 included a fixed program digital computer.


9LV Mk2 (1977–1983)

The patrol boat ''Jägaren'' ("The hunter") was built as a test vessel with the Norwegian gun boats ''Storm'' and ''Snögg'' as references. Later Bergens Mekaniske Verksteder built another 16 patrol boats based on ''Jägaren''. The patrol boats were equipped with 9LV Mk2 (Arte 726). The system was called 9LV Mk2 during the period Arte726 A-D. After the Patrol Boats had been decommissioned these radars where modernised and fitted to the modernised ''Koster''-class minehunters.


9LV Mk2.5 (1983–1987)

The 9LV Mk2.5 introduced a new high level language (RTL/2) and also upgrades to the hardware architecture with new processors and busses. The Swedish Navy Arte726E is an example of 9LV Mk2.5.


9LV Mk3 (1987–2005)

Based on the experiences from 9LV Mk2.5, a major redesign of 9LV was performed for 9LV Mk3, starting around 1985. It featured a module based architecture called Base System 2000 (Bassystem 2000), as an addition of the commercial
OS-9 OS-9 is a family of real-time, process-based, multitasking, multi-user operating systems, developed in the 1980s, originally by Microware Systems Corporation for the Motorola 6809 microprocessor. It was purchased by Radisys Corp in 2001, and ...
real-time operating system. The new programming language Ada was introduced in cooperation with the company Rational. After the acquisition of the Ericsson "H Division" developing a competing Combat Management System (Maril systems) January 1, 1990, several key architectural features were transferred into 9LV Mk3. Features of 9LV Mk3 included a fully distributed system, based on Ethernet LAN, with small, location independent, applications implemented in Ada. It also featured a "system family" concept, with all ship classes based on a common code base (reference book on reuse) and multi-function consoles, allowing any operator to perform any task from any position.


9LV Mk3E (1998–2008)

Aiming to benefit from the fast development of commercially available hardware, the software base of Mk3 was transferred to
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based processors on
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, running
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instead of the real-time
OS-9 OS-9 is a family of real-time, process-based, multitasking, multi-user operating systems, developed in the 1980s, originally by Microware Systems Corporation for the Motorola 6809 microprocessor. It was purchased by Radisys Corp in 2001, and ...
used in Mk3.


9LV Mk4 (2008–)

In order to facilitate integration and partnerships, the Mk4 was developed towards the Naval Open Architecture. Mk4 employs DDS to create modularity and introduces the
Java programming language Java is a high-level, class-based, object-oriented programming language that is designed to have as few implementation dependencies as possible. It is a general-purpose programming language intended to let programmers ''write once, run anywh ...
for certain applications. The first deployment of some limited 9LV Mk4 software components were as part of the Lockheed Martin Canada CMS330 Combat System used on the ''Halifax''-class frigate where Saab acted as a sub-supplier to
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. Later versions of CMS330 do not utilize 9LV Mk4 components. One important milestone for 9LV Mk4 was the firing on 30 August 2015 of the
ESSM The RIM-162 Evolved SeaSparrow Missile (ESSM) is a development of the RIM-7 Sea Sparrow missile used to protect ships from attacking missiles and aircraft. ESSM is designed to counter supersonic maneuvering anti-ship missiles. ESSM also has the ab ...
missile from HTMS ''Naresuan'' during Exercise CARAT 2015, less than three years after the signing of the contract for the missile. As
Saab Saab or SAAB may refer to: Brands and enterprises * Saab Group, a Swedish aerospace and defence company, formerly known as SAAB, and later as Saab AB ** Datasaab, a former computer company, started as spin off from Saab AB * Saab Automobile, a fo ...
has evolved the architecture of 9LV with virtualization, containerization and other technologies, the generation indicator ("Mk4") is becoming less emphasized and is not even mentioned in marketing, instead the term NextGen is used.


Awards and recognition

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Company heritage of 9LV development

The history of C2S, the creator of 9LV * 1938: Standard Radiofabrik is established * 1956: SRT (Standard Radio & Telefon AB) is founded * 1964: SRT builds a factory in Veddesta, Järfälla outside Stockholm * 1968: Philips Teleindustrier is established; opening ceremony with the Swedish King * 1971: Stansaab is created out of the computer part of SRT, (owners are the state, Saab and ITT) * 1973: ITT leaves their ownership of Stansaab * 1975: Stansaab get a big order regarding AOC in Moskva * 1976: Philips Elektronikindustrier (merger with Philips Teleindustrier) * 1978: Datasaab created from merger of Stansaab & Datasaab * 1981: Ericsson buys Datasaab and keeps Alfaskop while SRA procures radar systems, later to be Ericsson Radio Systems * 1982: Ericsson Information Systems (EIS) established * 1982: SRA Communications AB is established * 1983: Marconi leaves ownership of SRA to Ericsson Radio Systems * 1988: Command & control and radar technology becomes Ericsson Radar Electronics (ERE) * 1990: Bofors Electronics (BEAB) acquires Philips, Ericssons (ERE) military production * 1991: BEAB joins Nobeltech * 1993: Nobeltech changes name to Celsiustech * 2000: Saab buys Celsiustech; new names are SaabTech Systems and SaabTech Electronics * 2003: SaabTech created from Saab Avionics & SaabTech Systems * 2005: Saab Systems created * 2009: Saab Security and defence solutions Command and control history within Saab 1966 a work group started (name SESAM) to work on the next generation combat management system. This led to the first drafts on what was later to become NIBS (Näckens InformationsBehandlingsSystem). The group came up with an entirely digital combined combat and fire control solution with two operator positions able to evaluate at least 10 targets. The three operator consoles where of Stansaab type. The order was later given to Stansaab; the software was delivered by Teleplan. * 1988: SESUB (Strids- & Eldledning SUBmarin); contract awarded to Datasaab (modern NIBS) * 1996: SESUB 940 entire solution awarded to CelsiusTech


References


Bibliography

* . * {{cite web , language = sv , trans-title=Swedish naval fire control and combat management during 50 years , url= http://www.fht.nu/Dokument/Marinen/marin_publ_strids_o_eldled_mtrl_utv_i_50_ar.pdf , publisher = Försvarets Historiska Telesamlingar Marinen , date = 2012-02-04 , title = Den marina strids- och eldledningsmaterielens utveckling under 50 år i koncentrat , first = Malte , last = Jönson , place = NU Military computers Saab