Aethoo (Tank)

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Aethoo MBT
A Prototype Aethoo in late 2017
TypeMain battle tank
Place of originAxdel
Service history
In service1A: 2021-present
Used by Axdel
Production history
DesignerNational Ballistics
ManufacturerNational Ballistics
Produced1A: 2021-present
1AE: 2022-present
Number built1A: 184, 500 planned
1AE: 80
Weight68 metric tons
Length11.5 m
Width4 m
Height2.25 m (3 m including RWS)
Crew3 (commander, gunner, and driver)

Armor'Bex 2' classified Composite armour
with NERA and ERA components
and the 'Enul' combination soft-kill/hard-kill active protection system
1A: ARMS L/51 autoloaded 130mm smoothbore ETC gun (40 rounds)
12.7 mm RWS machine gun
7.62mm Coaxial machine gun
Engine12-cylinder Twin-Turbo Hybrid Diesel
1600 hp (1200 kW)
Power/weight1A: 23.5 hp/ton
TransmissionAlleni HDG X-1600-30 Hybrid drive
SuspensionAll-arm terrain-adaptive hydropneumatic suspension
525 km (road)
Speed75 km/h (road)
52 km/h (cross country)

The Aethoo is a next-generation Axdelian main battle tank jointly designed and built by National Ballistics and ARMS (now known as Sentinel-ARMS). It was built to be the successor of the CAP-80 and CAP-80 Lômeqkhyaa tanks in Axdelian Army service as part of a 2014 defence mandate for a platform to mount the new 130mm L/51 ETC gun by ARMS, and was expected to enter service from 2025 onwards. However, the outbreak of the Auroran-Pacific War led to the project being given a higher priority, with the initial date being 2020, though later being pushed back to 2021 due to development problems. Production of the 1A variant began in late 2020, with the first 15 tanks entering service in the Axdel Armed Forces in February 2021. International procurement interest during development lead to the creation of the 1AE export variant mounting a conventional 130mm cannon in the turret instead of an ETC gun.

A number of technical faults with the engine and thermal imaging equipment during combat trials have been reported which have led to delays in production whilst the issues are resolved. Despite this, the Axdel armed forces have negotiated the terms of an additional long-term order of 300 total tanks by 2027, with provisions for the eventual replacement of remaining CAP-80 Lômeqkhyaa tanks by later variants in the 2030's. In 2024 long term use also revealed an additional issue with the longevity and reliability of the plasma ignition system in the 1A's main gun, which is currently being investigated and remedied.