Spares
Authorized Military Stocking Distributor for industry-leading OEMs
Services
FAA and EASA-approved repair station offering in-house dynamic component repair
Solutions
Offering managed supply chain solutions, integrated logistics and long-term aircraft sustainment.
S3 AERODEFENSE
See us at IDEX 2025
S3 AeroDefense is an award-winning provider of military aircraft spares, component repair services, and supply chain solutions to global military operators.
Milwaukee, Wisconsin, United States
Aerospace, Defense & Security
People
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About
S3 AeroDefense is an award-winning provider of military aircraft spares, component repair services, and supply chain solutions to global military operators.
Driven by a vision to deliver cutting-edge and cost-effective solutions to military aviation aftermarket sectors worldwide, S3's global presence extends to over 55 countries on 6 continents and encompasses a wide range of support capabilities for C-130, F-16, UH-60, T-50, AH-64, CH-47, Bell 412, C-17, King Air, CN-235, and C-295 aircraft.
Driven by a vision to deliver cutting-edge and cost-effective solutions to military aviation aftermarket sectors worldwide, S3's global presence extends to over 55 countries on 6 continents and encompasses a wide range of support capabilities for C-130, F-16, UH-60, T-50, AH-64, CH-47, Bell 412, C-17, King Air, CN-235, and C-295 aircraft.
