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Federal Ground Defense Force

The Federal Ground Defense Force (FGDF)Rikujō Bōeitai — is the Federation's land service. 245,000 active personnel + 80,000 trained reservists. The principal mission is defence of the home archipelago against amphibious threat, with secondary missions for disaster response and limited deployable readiness in support of WDP partners (subject to constitutional revision).

Doctrine

The FGDF is a brigade-centric, defensive-mechanized force after the 2018 reform that downgraded the historical division structure in favour of agile combined-arms brigades. The doctrinal logic reflects the Federation's geography:

  • No land borders mean no continental defensive belt; archipelago defence requires distributed readiness across all four principal islands
  • Brigade-scale formations match the geography — a Rapid Reaction Brigade can be lifted by the Amphibious Brigade or transported between islands by FADF airlift in 24-48 hours
  • The Tank Brigade provides concentrated armoured reserve for the principal-island scenario
  • The Airborne Brigade provides strategic vertical-envelopment capability for the constitutional-revision contingency

Organization

The FGDF is organized under Akehoshi Imperial Defense HQ, with operational forces distributed under five Regional Army headquarters:

Regional Armies

Command Region Principal subordinate units
Central Army Akehoshi region 1st RRB 'Akahoshi'; 4th RRB 'Tōzai'; 7th RRB 'Senshi' (readiness); Imperial Guard Regiment
Northern Army Hokutō 2nd RRB 'Hokutō' (cold weather); 1st Tank Brigade 'Senshikidan'
Western Army Saikoku theater 3rd RRB 'Saikoku'; 5th RRB 'Yamamori' (mountain)
Eastern Army Eastern Akehoshi (Coordinates Akehoshi-East formations)
Southern Army Nansei archipelago 6th RRB 'Nansei' (tropical)

Combat formations

  • 1st Rapid Reaction Brigade 'Akahoshi' — capital defence; Type-10 MBT squadron + Type-16 MCV + Type-30 IFV mech; ~5,500 personnel
  • 2nd Rapid Reaction Brigade 'Hokutō' — cold-weather mission; ~5,500
  • 3rd Rapid Reaction Brigade 'Saikoku' — Saikoku theater readiness; ~6,000
  • 4th Rapid Reaction Brigade 'Tōzai' — strategic reserve; ~5,500
  • 5th Rapid Reaction Brigade 'Yamamori' — mountainous interior; ~5,500
  • 6th Rapid Reaction Brigade 'Nansei' — tropical archipelago; ~5,500
  • 7th Rapid Reaction Brigade 'Senshi' — readiness brigade, deployable abroad if constitutionally cleared; ~6,000
  • 1st Tank Brigade 'Senshikidan' — heavy armour; 3 Type-10 battalions; ~4,500
  • 1st Airborne Brigade 'Kūchūdan' — paratrooper brigade; ~3,500; joint with FADF at Akehoshi-Sōgō; C-2 + KC-46 transport-integrated
  • Imperial Guard Regiment 'Konoe Rentai' — ceremonial palace guard; ~1,200

Joint Special Operations Command (JSOC)

  • Tokushū Sakusentai (TSST) — Tier-1 SOF, ~480 operators in 3 operational squadrons + training cadre
  • Joint Special Mission Wing (JSMW) — V-22 + MH-47-equivalent for TSST + Amphibious Brigade insertion
  • 1st Reconnaissance Battalion 'Tantō' — ~600 long-range light recon

Tokushū Sakusentai — the signature elite

Tokushū Sakusentai (TSST) ("Special Operations Group") is the Federation's apex special-operations / direct-action formation and the only Tier-1 unit in the HFDF. Administratively assigned to JSOC; operational control by JSOC in peacetime and war.

  • ~480 operators in three operational squadrons + a training cadre
  • Selection paralleling 22 SAS, KSK, and FSA TF Rage — 18-month assessment + cadre course
  • Specializes in maritime SOF missions: ship-boarding, hostage rescue from ships, deep coastal reconnaissance, direct-action against littoral targets, coalition SOF integration
  • Operates closely with FMDF Submarine Flotilla for clandestine insertion

The Tokushū operator badge is granted for life and confers ceremonial admission to the Imperial gardens. The badge is the single most prestigious individual distinction in the HFDF.

Equipment

Combat vehicles

Class Platform Notes
MBT Type-10 Indigenous 44-tonne MBT; 120mm smoothbore; modular composite armour; ~340 in service
MCV Type-16 Wheeled 105mm "mobile combat vehicle"; 26-tonne; ~250 in service
IFV (tracked) Type-89 mod / Type-30 Type-89 mod ~120, replaced by Type-30 from 2027
IFV (wheeled) Type-96 APC + Type-19 wheeled IFV Patria-derived; ~450
Reconnaissance Type-87 RCV Stryker-class; ~80
MRAP / LAV Type-26 LAV JLTV-family; ~600
Light tactical Type-73 LAV "kō-kidōsha"; ~2,400
Engineering Type-92 AVLB; Type-19 breaching vehicle
Specialty Type-78 over-snow (Hokutō); AAV-7 family (Amphibious Brigade)

Artillery

Class Platform Notes
Towed 155 FH-70 license; M777 (Amphibious Brigade)
SPH tracked Type-99 155mm ~110 in service
SPH wheeled Type-19 155mm Archer-derived; ~80 in service
MLRS M270 license + HIMARS-equivalent Type-29 RSAS
Coastal SSM Type-12 SSM (improved) The signature anti-ship coastal capability; ~30 batteries archipelago-wide, weighted toward the Nansei + Southern Archipelago Sea-of-Xianren belt

Air defense

Tier System Notes
Long-range SAM Patriot PAC-3 MSE 6 battalions
Medium-range SAM Type-03 Chū-SAM (Improved) Domestic medium-range; ~12 batteries
SHORAD Type-93 Kin-SAM; Skyranger 30 (license)
MANPADS Type-91 SAM Distributed widely
Radar J/FPS-7 long-range; J/MPQ-P19 PAC-3 FC; OPS-50 shore-based Six principal radar nodes archipelago-wide + mobile gap-fillers

Small arms

  • Service rifle: Howa Type-30 (5.56×45mm modern piston rifle, indigenous design; HK-416 family influence) — full conversion to be complete by 2028, replacing the legacy Type-89
  • DMR: Howa Type-22 DMR (7.62×51mm precision-grade)
  • Sniper: Type-18 .338 LM semi-auto; Type-16 .300 WM bolt
  • Anti-materiel: Type-12 BMR (.50 BMG)
  • Sidearm: SIG P320-derived Type-19 pistol (9×19mm)
  • SAW: Howa Type-62-mod (5.56mm)
  • GPMG: Sumitomo Type-74 GPMG-mod (7.62×51mm; MAG-58 family)
  • HMG: M2-equivalent (.50 BMG license)
  • PDW: MP7-equivalent Type-08 (vehicle crew / Coast Guard boarding teams)

Soldier protection

  • Body armor: NIJ Level IV plates front/back, Level III side; NIJ IIIA soft armour
  • Helmet: Level IIIA aramid for line infantry; rifle-rated upgrade for SOF
  • Night vision: universal Gen 3 binocular for line infantry; fusion thermal-NV for SOF + Amphibious Brigade
  • Squad radio: Type-22 secure handheld (PRC-148-equivalent), AES-256, mesh-networked
  • Service rifle optic: 1-6× LPVO standard; 1× red dot for SBR
  • IFF / blue-force tracker: universal at squad-leader level and up