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







A Trusted & Proven Leader in High-Performance C5ISR-Enabling Technologies


CALCULEX is a trailblazing name in providing Airborne Flight and Mission Data Recording, Processing, and Routing systems. Having been a key player in this industry for over three decades, we take pride in our reputation for being agile and quick-to-market in providing cost-effective solutions to the USAF, USN, USMC, US Army, and international armed forces. In February 2021, CALCULEX became part of Spectra Aerospace & Defense, which further strengthens our capabilities and enables us to serve better.

Our products are 100% designed and manufactured in the United States, and we are a US Small Business that is owned and operated by US citizens. Our ingenious solutions have resulted in three CALCULEX inventions that became US DoD Standards and have become a proven supplier for over 25 US fixed and rotary-wing platforms, including fighters, bombers, attack helicopters, transports, UAVs, ISR, and Special Mission aircraft. In today’s dynamic and ever-changing industry, it is essential to remain agile, and we do so by maintaining a simple company infrastructure, allowing us to deliver quickly and cost-effectively while providing high value to the US Government.

Our self-funding product development method enables us to be a true partner and provide solutions that are not just ahead of their time but also highly reliable. We take pride in what we deliver, and our dedication to our products is shown by proactively supporting those that we delivered over 20 years ago. Our executive management team is experienced and mature, ensuring that we provide our customers the best solutions and services possible. Partner with CALCULEX, and we will deliver innovative, cost-effective, and highly reliable solutions that meet your requirements now and into the future.