S3 AeroDefense
We provide aircraft SPARES distribution, repair & overhaul SERVICES, and project management SOLUTIONS
Formerly S3 International, S3 AeroDefense is an award-winning provider of military aircraft spares, component repair services, and engineering and logistics solutions to global military operators.

What does an award-winning sales team do when two major regional tradeshows happen at the same time? Simple: we show up at both, meeting our customers . 🙌
A big thank you to the customers, OEM partners, and distinguished military delegations who visited the S3 Booth at SITDEF PERU and Feria Aeroespacial México (FAMEX). We were proud to showcase our spare and repair capabilities and look forward to seeing everyone again at the next show!
Next stop ➡️ DEFEA - Defence Exhibition Athens 🛫

S3 AeroDefense is proud to announce our new Authorized Repair Station Agreement with Whippany Actuation Systems!
Under the agreement, S3 is authorized to perform repair and overhaul services on Whippany products for C-130 and P-3 aircraft.
C-130
✅APU Door Actuator
✅Oil Cooler Door Actuator
✅Air Intake Door Actuator
✅GTC Door Actuator
✅Spoiler Door Actuator
P-3
✅Oil Cooler Flap Door Actuator
Together, we're expanding operator access to viable and cost-effective repair solutions across the globe. Many thanks to Whippany for their partnership!
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We’re proud to announce the expansion of our agreement with Arkwin Industries to now include global repair support for C-130 and F-16 aircraft!
It’s been a strong partnership from the start, and we’re excited to continue delivering world-class maintenance and repair for Arkwin components to operators all across the world.
Here's to Arkwin and S3!

Join Douglas Dawson, Andrew Schwarz and Sarah Porretto for Feria Aeroespacial México (FAMEX)! 🇲🇽
They’ll be at Booth G-130 ready to discuss S3’s comprehensive support capabilities for C-130, UH-60 and F-5 aircraft!
Book your 1:1 by heading to the link in the comments section or drop us a DM.

S3 AeroDefense is proud to announce our new OEM partner, Rogerson Kratos! Our agreement with encompasses all military aircraft products, including spares, avionics upgrades, & modernization solutions for UH-60 Black Hawk and C-130 Hercules, among other high-resource platforms.
Through this new 3-year agreement, S3 can provide:
✅ Advanced avionics modernization for UH-60 and C-130
✅ Comprehensive spares support
✅ OEM-approved repairs via Rogerson Kratos
✅ Custom UH-60 upgrade packages, including modernized aircraft available for resale
Thanks to Rogerson Kratos, S3 AeroDefense will continue to set the standard in offering innovative and cost-effective sustainment solutions for military operators across the globe.
Check out the press release here ➡️ https://s3aerodefense.com/news-and-events/s3-aerodefense-announces-new-distribution-agreement-with-rogerson-kratos/
Or if you're ready to upgrade and modernize, drop us a line at sales @ s3aerodefense dot com.

Great first day at ! Check out a few snaps from the show. 📸

We’re back in Rio for LAAD 2025! 🤩
S3 AeroDefense is committed to keeping your UH-60 Black Hawk, C-130 Hercules, and A-29 Super Tucano fleets mission-ready with our comprehensive spare parts and sustainment solutions.
At the show? Stop by our booth to learn more about our support capabilities and exclusive OEM partnerships.
✔ Moog Pitch Trim Actuator Upgrade
✔ Parker H60 Flight Controls & Actuation
✔ Honeywell Control Systems
✔ Cocoon Cover Kits & Aviation Insulation
✔ Rogerson Kratos Smart Display Avionics Upgrade
See you at the show!

Eid Mubarak to all who celebrate! Wishing you peace and prosperity! 🌙☪️🕋

It's almost time for one of our favorite events of the year! 🙌 Join S3 AeroDefense and Arrowhead Products at in Atlanta, GA (April 8–10).
Visit us at Booth #4177 or book a meeting ahead of time: s3aerodefense.com/book-a-meeting. Learn more about:
▶️ Our repair partnerships with CEF Industries, Collins Aerospace, Honeywell Aerospace Technologies, Moog Inc., TAT Technologies Ltd., and Whippany Actuation Systems.
▶️ Our state-of-the-art FAA & EASA-certified repair station.
▶️ Our dedicated in-house repair team of 30+ FAA, A&P, and Repairman-certified professionals delivering exceptional quality with every serviced component.
See you in Atlanta! 😎
cc Jeremiah Arnold | Andrew Schwarz | Lisa Champagne | David Scherer | Ryan Powers | Peyton Kelliher | Joy Haftarski | Dawson Viles | Jordan Servidas | Sarah Porretto

Team Asia kicked off Avalon Australian International Airshow with an excellent first day!
If you're attending Day 2, visit us at Booth in the US Pavilion to discover how S3 provides comprehensive nose-to-tail support for C-130 and UH-60 fleets. Trusted by over 200 military, commercial, and government programs worldwide, our face-to-face approach ensures we're consistently "catering to our customers" wherever they operate.
See you at the show! 👊🏼
cc Sebastien Imbert | David Scherer

We're proud to welcome Rick Prier as our new Director of Strategic Alliances!
After a 26-year career as a military logistician, culminating in his role as Lieutenant Colonel with the Army’s Command Assessment Program (CAP), Rick joins our team to strengthen partnerships and enhance our strategic initiatives. His journey with S3 began through the DoD SkillBridge Program, and we are thrilled to have him onboard.
Rick shares: “True success comes from valuing people and their unique perspectives. I look forward to building relationships across the S3 team and with our partners.”
Military service is a family tradition for Rick—his son Joseph served as the crew chief on Rick’s final military flight, marking a meaningful milestone in their shared service to the US.
Please join us in welcoming Rick to our team. 🎉

Jeff Wnuk, Jeremiah Arnold, and Sarah Porretto are heading to for LAAD EXPO OFICIAL - Latin America's premier defense and security event!
Join us at our booth or book a 1:1 meeting to explore our award-winning support for P-3, KC-130, A-29, and UH-60 aircraft. Stay tuned for more information.
Book your meeting here ▶ https://bit.ly/3R0TmrR
See you at the show!

That's a wrap on ! 🙌
A big thank you to everyone who stopped by the S3 AeroDefense / Arrowhead Products booth to connect with our team and discuss our award-winning and industry-leading support capabilities for H-60/S-70, CH-47, and Bell aircraft.
If we didn’t get a chance to connect at the show, reach out—we’re always ready to talk about how we best serve YOU. See you in Australia for !
📸 Lisa Champagne | Ilona Cheney | Andrew Schwarz | Ryan Powers | Karen Courville | Nael Thuneibat | Sarah Porretto

ATTENTION: We’re looking for an experienced Field Service Engineer to join our growing team! 👊🏼
This role is critical in supporting aircraft maintenance, structural modifications, and system upgrades on-site, ensuring customer satisfaction and program success.
If you have expertise in aircraft maintenance, structural repairs, and program ex*****on, along with strong problem-solving and communication skills, we want to hear from you! This position involves extensive travel and offers the opportunity to work directly with customers and subcontractors in a dynamic, hands-on environment.
To read the full job description, including training & requirements, and to submit your resume, visit ▶ https://s3aerodefense.com/careers/
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Telephone
Website
Address
2101 West Camden Road
Milwaukee, WI
53209
Opening Hours
Monday | 8am - 5pm |
Tuesday | 8am - 5pm |
Wednesday | 8am - 5pm |
Thursday | 8am - 5pm |
Friday | 8am - 5pm |