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Under Development 5th-Gen+ Stealth Fighters - J-36, KAAN, AMCA, KF-21, FCAS, GCAP

Bhaijaan

Bhaijaan

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A thread purely for aviation enthusiasts with a curious eye on development of upcoming next gen fighterjets.


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Below is a concise, authoritative briefing on every major fifth-generation (5th-gen) or next-generation (5th+/6th-gen) stealth fighter program worldwide. Each section emphasizes current development status, near-term milestones, and the most likely timeline to hit those milestones.



United States 🇺🇸​


Status (now): Mature operational fleet (F-22, F-35) with continuous upgrades; advanced next-gen work focused on the NGAD family of systems (manned fighter + loyal wingmen, sensors, software).
Near-term milestones (likely): NGAD demonstrators and prototype systems will continue classified flight tests through 2027–2030; limited fielding of loyal-wingman drones to pair with legacy/manned jets by ~2028–2032.



China 🇨🇳​


Status (now): Operational 5th-gen types in PLA service (Chengdu J-20 and Shenyang J-35/FC-31 family). Active R&D on even more advanced prototypes reported (6th-gen concepts).
Near-term milestones (likely): Continued ramp of J-20 production through 2026–2028; introduction of carrier-capable J-35 naval variants and further prototype flights of advanced concepts across 2026–2032.



Russia 🇷🇺​


Status (now): Su-57 in low-rate production and limited operational use; other concepts (lightweight stealth, MiG-41 class ideas) remain at concept/prototype stages.
Near-term milestones (likely): Gradual increases in Su-57 sortie and squadron numbers over 2026–2030 if industrial and funding constraints permit; other new types remain speculative and long-term (post-2030).



South Korea 🇰🇵​


Status (now): KF-21 Block I serial production underway; Block II (and later Block III/KF-21EX with enhanced low observable features) in development. Deliveries to ROKAF scheduled to begin in 2026.
Near-term milestones (likely):


  • 2026: Initial operational deliveries (Block I) to ROKAF.
  • 2027–2028: Block II maturity (improved A2G capability) and continuing production; Block III development through late-2020s targeting internal weapons bays / stealth upgrades.


India 🇮🇳​


Status (now): Prototype development approved and underway; design and engineering models publicly demonstrated; DRDO/ADA planning a phased prototype rollout.
Near-term milestones (most likely timeline):


  • Late 2026–2027: Prototype rollout window (engineering/prototype build sequence).
  • Late 2028: First flight currently targeted (subject to schedule risk).
  • Early-to-mid 2030s: Certification and induction (2032–2035 range is plausible under optimistic funding/engine-development assumptions). Risks: indigenous engine maturity, supply-chain and production partner choices could push timelines later.


Turkey 🇹🇷​


Status (now): Prototype flew (first flight achieved); serial-production plans tied to domestic engine maturity and industrial schedule. Turkey has stated serial production aims around 2028 while continuing to buy interim foreign aircraft as needed.
Near-term milestones (likely):


  • 2026–2028: Engine qualification and transition to serial production; deliveries in the 2028–2030 window if no major technical setbacks occur.


Global Combat Air Programme 🇪🇺​


Status (now): Active multinational next-gen programme with demonstrator and technology roadmap; governance and funding progressing more smoothly than FCAS. Demonstrator flight aims and formal development phases are planned.
Near-term milestones (likely):


  • By 2027: Demonstrator flights planned (technology demonstrators, sensor and systems integration).
  • By ~2035: Initial production/service entry for baseline capability (full generation fielding likely mid-2030s). Timelines depend on partner funding and industrial alignment; potential for Germany to join could change scope/timing.


Future Combat Air System 🇪🇺​


Status (now): Severely unsettled. Deep disagreements over leadership, industrial roles, and technical requirements have stalled progress; observers warn the fighter element may be split or restructured.
Near-term milestones (likely outcomes):


  • Short term (2026): Political/industrial negotiations — outcome options include (a) restructured programme focused on shared combat cloud/drones while each nation pursues separate fighters, (b) split two-fighter approach, or (c) prolonged delay/cancellation of a single Europe-wide fighter. Given current statements, a fully unified FCAS fighter by 2040 is increasingly uncertain.


OTHER PROGRAMS & CONCEPTS (brief)​


  • Russia — light stealth / Su-75 / future concepts: Concepts exist but operational impact and timelines beyond Su-57 remain speculative; expect incremental advances 2026–2035.
  • Iran — HESA claims: Domestic claims of stealth designs remain unverified and unlikely to produce true 5th-gen capability in the near term.
  • Unmanned “loyal wingman” programs: Multiple nations (US, UK, Australia, Turkey, China) are operationalizing or testing autonomous combat drones to work with manned fighters; these will accelerate fielding of networked combat systems through 2028–2032.


TIMELINES​


  1. Operational now (2025–2026): United States, China, and Russia operate 5th-gen fighters today (F-35/F-22; J-20/J-35; Su-57).
  2. Near-term entrants (2026–2030): Expect KF-21 deliveries (South Korea) and KAAN serial production ramp if engines clear tests; AMCA aims first flight in 2028 but production is 2030s.
  3. Mid-term next-gen (2030–2038): GCAP partners target demonstrators in the late-2020s and service entry by the mid-2030s; US NGAD and China’s advanced prototypes may field advanced capabilities in similar windows.
  4. Wildcards: FCAS political/industrial fracture could remove a pan-European stealth fighter option; conversely, Germany joining GCAP could reallocate European capabilities into that programme.


RISKS, DRIVERS & CONSTRAINTS​

  • Engines and sensors remain the technical bottlenecks for many programs (AMCA, KAAN).
  • Industrial politics (national requirements, industrial leadership) are the dominant schedule risk in Europe (FCAS vs GCAP).
  • Budget & export politics influence partner choices and timelines (e.g., interim foreign purchases while domestic jets mature).
 

KF-21 Boramae 🇰🇷 ​

Clean, sharp, and moving fast. The program has crossed the risky part of aircraft development and is now marching into production and induction.

✅ What’s already done​

  • Flight testing completed: ~1,600 sorties across 6 prototypes, no major mishaps
  • Serial production started at Korea Aerospace Industries
  • Indigenous AESA radar in mass production
  • Weapons integration underway (modern BVR missiles + precision strike stores)

🚚 What’s happening now (2026)​

  • First production jets delivering to Republic of Korea Air Force
  • Initial squadrons focused on air-superiority (Block 1)

⏳ What comes next​

  • 2027 → Block 2: Full multirole capability (air-to-ground, guided weapons, strike missions)
  • 2027–28: Larger fleet numbers in service
  • Late 2020s → Block 3 / KF-21EX: Internal weapons bays + stronger stealth shaping, pushing toward “5th-gen-like” survivability
 
I don't pay attention to these things. These are all agents of death and destruction.

I hope to find a similar thread one day for under development cures for cancer or under development solutions for global famines.
 
DeadlyVenom said:
I don't pay attention to these things. These are all agents of death and destruction.

I hope to find a similar thread one day for under development cures for cancer or under development solutions for global famines.
Click to expand...

Bro your username is literally Deadlyvenom
:asadrauf
 
It's criminal that a 3rd world country like Pakistan is spending all their money on billion dollar jets instead of fixing their country and prevalent poverty.
 
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