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






The CALCULEX Leadership Team

CALCULEX is a reliable aerospace and defense organization that prides itself on the expertise and dedication of our skilled workforce. Our team of professionals is committed to ensuring the utmost level of preparedness and mission-readiness for all of our clients.

We are proud to boast one of the most experienced and accomplished global executive leadership teams in the C5ISR technology arena. With a wealth of combined experience in engineering, manufacturing, finance, operations, and program management, we are well-equipped to address all of our customers’ needs. CALCULEX specializes in providing high-performance, C5ISR-enabling technologies that meet the most rigorous national security requirements worldwide. Our mission-critical systems perform impeccably, whether in the air, at sea, on land, or in space, providing our clients with the reliability they need when it matters most.