As of 2026, the ROKAF is undergoing a significant transformation under the Defense Innovation 4.0 program. The force is centering its modernization on the Three-Axis Defense System, comprised of the "Kill Chain" (pre-emptive strike), "Korea Air and Missile Defense" (KAMD), and "Korea Massive Punishment and Retaliation" (KMPR).

• AIRCRAFT 600+ combat capable.

Fighter / Interception:

• 118 Lockheed Martin F-16C Fighting Falcon (KF-16C).
• 59 Boeing F-15K Eagle.
• 173 F-5E/F Tiger II (FTR 141; TRG 32—rapidly being drawn down to 65 active units by 2026).
• 29 McDonnell Douglas F-4E Phantom II (Final phase-out in progress).

Fighter / Multi-role & Stealth Strike:

• 40 Lockheed Martin F-35A Lightning II (38 active, 2 on-order training configuration; 19-25 additional units ordered for delivery).
• 60 KAI FA-50 Fighting Eagle.
• 40 KAI KF-21 Boramae (Initial production batch delivered; 80+ more on order).

Airborne Early Warning & Control (AEW&C):

• 4 Boeing 737 (E-7A Peace Eye).
• 4 Bombardier Global 6500 (AEW configuration ordered in 2025–2026).

Intelligence, Surveillance & Reconnaissance (ISR) / EW:

• 8 Raytheon Hawker 800 (RA/SIG).
• 2 Dassault Falcon 2000 (EW) (4 additional units on order).
• 20 KAI KO-1 (KA-1 Woongbi) (Light ISR/Forward Air Control).

Aerial Refuelling (Tanker):

• 4 Airbus A330 MRTT (Cygnus).

Tactical & Strategic Transport:

• 12 Lockheed Martin C-130H / MC-130K Hercules.
• 4 Lockheed Martin C-130J Super Hercules.
• 18 CASA CN235.
• 3 Embraer C-390 Millennium (Delivery in progress 2026).
• 1 Boeing 747-8 (V-VIP / Code One - leased).
• 1 Boeing 737-300 (VIP).

Training (Fixed-wing):

• 103 KAI KT-1 Woongbi.
• 60 KAI T-50 / T-50B Golden Eagle (Includes Black Eagles aerobatic team).
• 29 KAI TA-50 (13 additional on order).
• 49 Lockheed Martin F-16D Fighting Falcon.
• 23 KAI KT-100.

• HELICOPTER 39 active airframes.

Combat Search & Rescue (CSAR) & Tactical Transport:

• 17 Sikorsky S-70 / HH-60P Black Hawk.
• 9 Boeing CH/HH-47D Chinook.
• 7 Kamov Ka-32 Helix C.
• 3 Airbus H215M / AS332 Super Puma.
• 3 Bell 412.
• 25 MD500 (Light utility/liaison).

• UNCREWED AERIAL SYSTEMS (UAS)

Strategic ISR (Heavy):

• 4 Northrop Grumman RQ-4B Global Hawk.

Tactical ISR (Medium):

• 3 IAI Searcher.
• KAI Night Intruder 300.

Loitering Munitions:

• IAI Harpy (Anti-radiation).

• AIR DEFENCE SYSTEMS (GBAD)

Long-range Surface-to-Air Missiles (SAM):

• 48 M902 Patriot PAC-3 CRI / MSE launchers (Organized into 2 SAM battalions).
• L-SAM (Indigenously developed long-range interceptor; entering service/test phase).

Medium-range Surface-to-Air Missiles (SAM):

• 72 Chunggung (KM-SAM / Cheongung II) launchers (Organized into 6 SAM battalions).

Integrated Theatre Missile Defence:

• THAAD (Terminal High-Altitude Area Defense; integrated US-operated battery).

• Air-to-Air (AAM): AIM-9 Sidewinder (M/X); AIM-7 Sparrow; AIM-120B/C-5/7 AMRAAM.
• Air-to-Surface (ASM): AGM-65A Maverick; AGM-130.
• Anti-Ship (AShM): AGM-84L Harpoon Block II; AGM-142 Popeye.
• Anti-Radiation (ARM): AGM-88 HARM.
• Cruise Missiles (ALCM): AGM-84H SLAM-ER; KEPD-350 Taurus (Strategic deep-strike).
• Precision Guided Munitions (PGM): JDAM (GBU-31/32/38); GBU-39 Small Diameter Bomb; KGGB (Korean GPS Guided Bomb); Spice 2000; GBU-28 Bunker Buster.

Strategic Note: By 2026, South Korea has solidified its position as a major global defense industrial power, delivering the KF-21 Boramae to front-line squadrons while executing the largest defense export deals in Asian history. The ROKAF is transitioning to a "Kill Web" concept, integrating advanced ISR assets like the RQ-4B and the newly contracted Global 6500 AEW&C platforms to provide real-time targeting for its high-readiness strike fleet. This posture is designed to achieve absolute air superiority and provide a robust response to the evolving ballistic missile threats on the Korean peninsula.