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






Rugged Storage

Rugged Removable Storage

The CALCULEX FlashCache® removable memory module was designed using non-volatile solid state memory with capacities up to 2TB that allow it to be used in harsh environments. The FlashCache features simultaneous read/write bandwidth along with a built-in download port. The FlashCache III (CSR-2003) bandwidth is 55MB/s (read) and 40MB/s (write) and the download port is IEEE 1394b. With simultaneous read/write, built-in download ports and its convenient small size, the FlashCache memory modules are used widely across the CALCULEX MONSSTR 2000 series recorders.

All data recordings comply with the IRIG 106 Chapter 10 standard co-authored by CALCULEX and the USAF.

CALCULEX is certified AS9100D/ISO9001.