Company logo

The Interior Union is a group first mentioned in Armored Core 4 but is only fully seen in Armored Core: For Answer.


Occupation of Arteria Carpals Interior Union

Interior Union logo with cloud background in Occupation of Arteria Carpals

The Interior Union was formed through the merging of Leonemeccanica and Melies, becoming Europe's number one high-tech firm. It boasts an overall high level of technological prowess, and are by far the leading company in the field of laser technology. They also control the fossil fuel market, making them an extremely important company to GA. Their corporation is known for being the only company to have no male Lynx in their employment and even the employees Strayed encounters are all female.


The Interior Union was formed late into the post-National Dismantlement War period, although whether it was created before or after the Lynx War is unknown.

Lynx Employed (Lynx, NEXT)Edit

Lynx Name Next NameRankOriginalCurrent StatusAppearances
Kasumi SumikaCiliegio16YesUnknown, killed by the Raven in Occupation of Arteria Carpals (Destruction Path)AC4, AC:FA
StilettoLes Annees Folles18-6YesAliveAC4, AC:FA
Ay-PoolVero Nork28NoAliveAC4, AC:FA
Wynne D. FanchonReiterpallasch3NoKIA, killed by the Raven in Attack on Arteria Cranium (ORCA Path), killed by the Raven in Occupation of Arteria Carpals (Destruction Path) AC:FA




Parts Introduced in Armored Core: For AnswerEdit


Part ID PriceWeightEN CostUnlockedNotes
H11-LATONA 400,000C289873ShopInterior's state of the art part with low EN load.


Part ID PriceWeightEN CostUnlockedNotes
C11-LATONA 400,000C21431993ShopLightweight part developed on the TELLUS concept.


Part ID PriceWeightEN CostUnlockedNotes
A11-LATONA 400,000C19021708ShopA lightweight arm part designed for offense only.
A12-OPS 400,000C28904837ShopIntegrated weapon part. Uses lasers for devastating attack power.


Part ID PriceLeg TypeWeightEN CostUnlockedNotes
L09-RIGEL 500,000CHover39695187ShopLightweight, low impact legs. Now the precursor to the LATONA.
L11-LATONA 400,000CBiped43724682ShopAttack based biped legs designed for mobility and medium loads.

Main BoosterEdit

Part ID PriceWeightEN DrainUnlockedNotes
MB11-LATONA 300,000C202355ShopA lightened, low impact, sustainable booster based on the POLARIS concept.

Back BoosterEdit

Part ID PriceWeightEN DrainUnlockedNotes
BB11-LATONA 300,000C176278ShopBooster designed to reduce EN consumption.

Side BoosterEdit

Part ID PriceWeightEN DrainUnlockedNotes
SB11-LATONA 300,000C262148ShopA part which consumes less EN, with emphasis placed on QB capabilities.

Arm WeaponsEdit

Part ID PriceWeapon TypeWeightEN CostUnlockedNotes
HLR09-BECRUX 300,000CHi Laser Rifle2035867ShopA powerful high laser rifle that fires two shots at once.
RG03-KAPTEYN 200,000CRailgun15401165ShopA light rail gun. Suitable for multiple firing ranges, even close combat.
LR04-AVIOR 200,000CLaser Rifle1452788ShopThe latest standard laser rifle in the ALTAIR line.
LB-ELTANIN 200,000CLaser Blade620339ShopA laser blade that utilizes advanced EN technology with a long, thick blade.

Back WeaponsEdit

Part ID PriceWeapon TypeWeightEN CostUnlockedNotes
HLC09-ACRUX 300,000CHi Laser Cannon19011129ShopA dual-shot high laser cannon made with former Melies laser technology.
RC01-PHACT 200,000CRailcannon22401386ShopBack-mounted rail gun designed for maximum penetration.
PC01-GEMMA 200,000CPulse Cannon693743ShopA large weapon with enough firepower to easily be used as a primary weapon.

Large Scale WeaponsEdit


  • Interior Union's company logo is loosely inspired by Lockheed Martin's logo