Spectra Aerospace & Defense is a trusted and growing platform of C5ISR companies – CALCULEX, Galleon Embedded Computing, and ArgonFDS - bringing over a half-century of rugged, mission-ready, battle-tested experience to bear in aerospace and defense applications. From high-speed data acquisition, data recording and secure, high-density storage, to computing and rugged, clear display of mission data, Spectra delivers the products and subsystems needed for the most demanding military air, land, and sea platforms. With our comprehensive portfolio of rugged products, systems, and solutions, the Spectra family of companies’ customized end-to-end solutions for the C5ISR market help military end-users achieve mission success. Simply put, Spectra's rugged solutions Capture, Process, and Display your mission-critical data in the harshest environmental conditions. In the air, at sea, on land, and in space; We simplify integration.


Data Acquisition

Sensor Recording


Mission Computing

Encrypted Storage

NAS & File Serving

Processing & Routing






Platforms & Applications

Revolutionary Capabilities with CALCULEX’s Advanced Solutions for Data Acquisition, Recording, Routing, and Processing

CALCULEX is a leader in providing advanced solutions for data acquisition, processing, routing, and recording in harsh environments. Our diverse range of products and services cater to unmanned systems, commercial and military aircraft, fixed-wing aircraft, rotary-wing aircraft, airborne pods, flight test, and remote inspection applications. Our products are designed to operate flawlessly under the most extreme conditions – making CALCULEX the go-to solution provider for aerospace and defense initiatives worldwide.

At CALCULEX, we pride ourselves on our rich history of providing advanced solutions to improve warfighter capabilities. Our latest fleet upgrades on the USAF B-1B, B-52, and F-15 aircraft are a testament to our commitment to providing the best solutions for our customers. Over the past 15 years, we have provided airborne recording products for the F-18 E/F, C-130, P-3, and JSOW programs.

Our products are designed to operate in rugged environments, and we take great care in developing solutions that are robust, reliable, and easy to maintain. Our suite of solutions includes data acquisition systems, flight test instrumentation, airborne recording systems, and data routers. Whether it’s monitoring flight data, managing mission-critical systems, or keeping flight records, our products are the perfect solution for aerospace and defense applications. With CALCULEX, you can be sure that your data is recorded, stored, and processed with the utmost accuracy, so you can focus on your mission.

Whether you are in the market for a data acquisition system, an airborne recording system, or flight test instrumentation, CALCULEX is your go-to partner for rugged and reliable solutions. With our rich history of providing advanced solutions for the aerospace and defense industry, we are fully equipped to provide the best solutions for your mission-critical applications. At CALCULEX, we are committed to providing products that operate flawlessly under the most extreme conditions – so you can focus on what’s important – your mission.