ATMOS 2000

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ATMOS
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An ATMOS 2000 system in service
TypeSelf-propelled howitzer
Place of originIsrael
Service history
In service2001
Wars2020 Nagorno-Karabakh conflict
2025 Cambodian–Thai clashes[1]
Production history
ManufacturerSoltam Systems (now Elbit Systems)
Specifications
Crew2 to 6
Caliber[[155 mm|Template:Cvt]]
Maximum firing range>Template:Cvt with ERFB-BB

ATMOS (Autonomous Truck Mounted howitzer System) is a 155 mm/52 calibre self-propelled gun system manufactured by Israeli military manufacturer Soltam Systems.

The system is a long ranged, fast moving, truck mounted with high firepower and mobility, rapid deployment, short response time, operable in all terrain areas. The system is integrated with a fully computerized system, providing an automatic control, accurate navigation and target acquisition, the system is offered with various gun barrel lengths, ranging from 39 up to 52 calibre, in order to meet different customer requirements.

Overview

The ATMOS is fitted with a 155 mm/52 calibre ordnance which conforms to NATO Joint Ballistic Memorandum of Understanding (JBMoU), and is mounted on a 6 × 6 cross-country truck chassis. The breech mechanism is horizontal sliding which automatically opens to the right with a self-sealing metal obturating ring. The buffer is a hydraulic cylinder with a hydro-pneumatic recuperator, and the recoil length is variable from 850 to 1,100 mm. Two pneumatic equilibrators balance the barrel, weapon elevation and traverse are all hydraulic and computer controlled. The gun's aiming gears, load assist systems and spades are operated by a hydraulic power pack. With a 155 mm/52 barrel, a 41 km (25 mi) maximum range can be achieved, using Extended Range Full-Bore - Base Bleed (ERFB-BB) projectile,[2] 30 km (19 mi) firing the NATO L15 High Explosive (HE) projectile and 24.5 km (15.2 mi) firing the older M107 HE projectile.

The ATMOS 2000 carries a total of 27 155 mm projectiles and associated charges[3][unreliable source?] and can be operated by a 4-man crew, consisting of two loaders positioned on either side at the rear. The system provides a rate of fire of between 4 and 9 rds/min.

Development

File:Atmos romania.jpg
52 calibre ATROM system

Late in 2001, Soltam Systems released details of the latest version of its ATMOS 2000 whose existence was first revealed late in 1999.[4] At that time, it was also referred to as the 155 mm Self-Propelled Wheeled Gun (SPWG). The ATMOS was developed as a private venture and is aimed mainly for export markets, although it has already been demonstrated to the Israel Defense Forces (IDF). Wheeled self-propelled guns are usually cheaper to procure than their more common tracked counterparts, have lower life cycle costs and are easier to operate and maintain. In addition, they also have greater strategic mobility and do not rely on Heavy Equipment Transporters (HETs). By late 2001, the system fired over 1,000 rounds, during extensive trials in Israel.

In mid-2003, an undisclosed export customer had placed a contract with the company worth USD5 million for an undisclosed batch of ATMOS 2000 systems. From late 2004 the Israel Defense Forces (IDF) carried out extensive field tests the ATMOS 155 mm/39 calibre system.[5]

Variants

  • ATROM – Romanian version that uses the same Soltam M-17 155 mm gun on a locally developed ROMAN 26.360 DFAEG 6x6 truck chassis.[6] The system never entered production and the project was put on hold after three prototypes were built.[7]
  • AHS Kryl – Polish version on a Jelcz 663 armoured 6×6 chassis and integrating WB Electronics "Topaz" artillery fire control system. Production was planned for 2021, but never started.
  • M758 ATMG - Thai version on a Tatra armoured 6×6 chassis jointly developed by Soltam and DTI. 24 systems were in service as of 2023.[8]

Operators

File:ATMOS 2000 operators.png
Map of ATMOS 2000 operators in blue

Current operators

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  • Moldovan Armed Forces: at least one battery in use (4 firing units and support vehicles), might be more on order.
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Future operators

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  • ATMOS 2000 was selected by the Brazilian Army in April 2024 for the acquisition of 36 systems.[24]
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  • Colombian Army: The Colombian Army will acquire 18 units of the self-propelled howitzer developed by the Elbit Systems.[25]
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  • Morocco chose to buy 36 units following technical difficulties with French CAESAR systems[26]

Potential operators

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  • Of the five self-propelled artillery battalions, three are to be tracked and two are to be wheeled.[27] According to Gen. Incicaș, the chief of the General Directorate for Armaments, the wheeled battalions are intended for the Vânători de munte, while the tracked battalions are intended for the heavy infantry units and the 282nd Armored Brigade.[28] As of 2023, Elbit Systems is confirmed to participate with the ATMOS system in the contract bid.[27]
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Evaluation only

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  • ATROM variant prototypes only, the system never entered production.[6]
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  • The US Army is interested in a more mobile artillery platforms. Some "Mobile Howitzer Trials and Shoot-Off" had been occurring in 2021.[31] The systems tested were the CAESAR, the ATMOS 2000, the Archer and the Nora B-52. The Army was impressed by the Archer,[32][unreliable source?]also very positive with the CAESAR.[33] But not much has filtered about potentially ordering one of these systems. As some M777 howitzers were donated to Ukraine, it is certainly possible that the Army would consider a truck mounted variant to compensate as a gap filler to cover the donated howitzers. But ultimately decided to not move forward with the decision.

See also

References

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  1. ^ Page Module:Citation/CS1/styles.css has no content.Coughlan, Joe; Fulton, Adam; Coughlan (now), Joe; Fulton (earlier), Adam (24 July 2025). "Thailand-Cambodia border dispute live: Thailand closes border with Cambodia as death toll from fighting rises". the Guardian. Retrieved 24 July 2025.
  2. ^ Page Module:Citation/CS1/styles.css has no content."ATMOS 155mm truck-mounted howitzer for increased mobility and enhanced firing capabilities" (PDF). Elbit Systems. Archived (PDF) from the original on 5 June 2023.
  3. ^ Page Module:Citation/CS1/styles.css has no content."Atmos 2000 155mm Self-Propelled Artillery System". Army Technology. Archived from the original on 1 December 2023.
  4. ^ Page Module:Citation/CS1/styles.css has no content."ATMOS 2000 155 mm self-propelled gun-howitzer". militarytoday.com. Archived from the original on 7 August 2023.
  5. ^ Page Module:Citation/CS1/styles.css has no content.Pengelley, Rupert. "Soltam offers ATMOS as mobile modular 155mm fire support solution". faqs.org. Archived from the original on 29 June 2011.
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  9. ^ Page Module:Citation/CS1/styles.css has no content."Albania to buy heavy artillery from Israel, cannons, mortars and drones (PHOTOS)". Vox News.
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  12. ^ Page Module:Citation/CS1/styles.css has no content.The Military Balance 2010 (1st ed.). Routledge. 2 February 2010. p. 298. ISBN 9781857435573.
  13. ^ Page Module:Citation/CS1/styles.css has no content.Fiorenza, Nicholas (4 August 2023). "Denmark receives first ATMOS SPHs and PULS MRLs". Janes. Archived from the original on 24 December 2023.
  14. ^ Page Module:Citation/CS1/styles.css has no content.Jørgensen, Lars Bach (26 January 2023). "Denmarks buys artillery system and rocket launchers from Israel". TV2 (in Danish). Archived from the original on 3 October 2023.{{cite web}}: CS1 maint: unrecognized language (link)
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  16. ^ Page Module:Citation/CS1/styles.css has no content.Mangosing, Francis (5 January 2022). "Israeli self-propelled howitzers delivered to PH Army". INQUIRER.net. Archived from the original on 15 November 2023. Retrieved 8 January 2022.
  17. ^ Page Module:Citation/CS1/styles.css has no content."Philippines to Acquire Additional 12 ATMOS 155mm Self-Propelled Howitzers from Israel". 8 February 2025.
  18. ^ Page Module:Citation/CS1/styles.css has no content.Grevatt, Jon (4 November 2013). "Elbit, Thai industry collaborate on ATMOS 155 mm SP howitzer". Janes. Archived from the original on 9 November 2013. Retrieved 7 November 2013.
  19. ^ Page Module:Citation/CS1/styles.css has no content."Royal Thai Army Expands M758 Autonomous Truck-Mounted Gun (ATMG) Production". MilitaryLeak. 14 November 2023. Archived from the original on 14 November 2023. Retrieved 14 November 2023.
  20. ^ Page Module:Citation/CS1/styles.css has no content.Binnie, Jeremy (7 November 2016). "Rwanda exercises new ATMOS 2000 howitzers". Janes. Archived from the original on 8 November 2016. Retrieved 7 November 2016.
  21. ^ Page Module:Citation/CS1/styles.css has no content."Rwanda armed forces equipped with ATMOS and PLZ-89 howitzers". Army Recognition. 20 November 2017. Archived from the original on 26 September 2023.
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  23. ^ Page Module:Citation/CS1/styles.css has no content.Cherisey, Erwan de (22 June 2021). "Zambian military parades new equipment". Janes. Archived from the original on 29 May 2023.
  24. ^ Page Module:Citation/CS1/styles.css has no content.Bastos, Paulo (29 April 2024). "36 vehículos blindados ATMOS: el nuevo sniper de la Artillería del Ejército de Brasil". Pucará Defensa (in español).
  25. ^ Page Module:Citation/CS1/styles.css has no content.Saumeth, Erich (3 January 2023). "Colombia da marcha atrás en el último minuto y opta por el Atmos en lugar del Caesar" [Colombia backs down at the last minute and opts for the Atmos instead of the Caesar]. Infodefensa (in español). Archived from the original on 12 May 2023. Retrieved 4 January 2023.
  26. ^ Page Module:Citation/CS1/styles.css has no content.Faouzi, Adil (8 February 2025). "Morocco Opts for Israeli Atmos 2000 Artillery, Abandons French Caesar System".
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  28. ^ Page Module:Citation/CS1/styles.css has no content.Podcasturile Observatorul militar, ep.31, invitat general-lt. dr. ing. Teodor Incicaș (video) (in română). Studioul Multimedia - Observatorul militar. 4 September 2023. Event occurs at 31:55 – via YouTube.
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  30. ^ Page Module:Citation/CS1/styles.css has no content.Dombe, Ami Rojkes (10 March 2016). "The Polish Army Will Receive Self-Propelled Howitzer Based on Elbit's ATMOS". Israel Defense. Archived from the original on 16 April 2023.
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  33. ^ Page Module:Citation/CS1/styles.css has no content.Lagneau, Laurent (19 January 2022). "Artillerie : Le CAESAr du français Nexter se distingue aux États-Unis en tirant des obus "Excalibur"". Zone Militaire (in français). Archived from the original on 19 April 2023. Retrieved 15 April 2023.

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