Legionnaire helps government and corporate customers achieve their missions.

How We Serve

Legionnaire International employees a group of experienced engineering and flight test professionals. Our expertise and service-oriented focus is dedicated to equipping warfighters and preserving national defense.

Aerospace & Defense Engineering

Legionnaire International designs and builds weapon carriage systems, aerospace components, electrical harnesses, and critical defense systems.

Aerospace & Defense Flight Test Operations

Legionnaire International develops entire flight test plans from scratch. In 2023, we executed the flight test for the CLEAVER cruise missile for AFRL. 

Platform Integration

Legionnaire International’s integration team can help with your store integration. From start to finish, we design, analyze, build, and modify systems to fulfill your unique requirements. Additionally, we work closely with the FAA to ensure compliance.

Weapons Development

Legionnaire International has executed programs with the DoD and commercial customers. We primarily work with carriage/release technology, weapons development & testing, and system & component engineering. 


Legionnaire International is a veteran-owned company with nearly two decades of aviation, engineering, and maintenance experience.  Established in 2006, we have supported national defense initiatives at home and around the globe.

At Legionnaire, we Encourage Innovation, Foster Trust and Respect, Expect the Exceptional, Value Individual Contributions, and most importantly: We Execute with Excellence


Serving the aerospace industry in commercial, military, and private aviation with products and services to equip our warfighters and help maintain national defense.


We are located at the North Texas Regional Airport (KGYI) in Denison, Texas.


Today’s Decisions, Tomorrow’s Success.

Choose Legionnaire.