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






Airborne Systems

CALCULEX Rugged Airborne Technologies:
Turbulence, Temperature, and Tremors “No Factor”


Since its inception in 1986, CALCULEX has built a reputation as a leading provider of rugged data acquisition, recording, processing, and routing products for mission-critical airborne operations. Our expertise spans a range of aircraft types, including attack aircraft, fighter aircraft, special mission/operations aircraft, tanker aircraft, transport/cargo/military air lift aircraft, and bomber aircraft. We’re equally at home with rotary wing aircraft, including military attack and transport helicopters, observational helicopters, military utility helicopters, maritime military helicopters, multi-purpose helicopters, and military search and rescue helicopters.

Our success is based on our team of highly skilled engineers, whose expertise in the latest technologies is underpinned by a well-established framework of industry and open standards. CALCULEX produces secure, mission-critical defense electronics and software systems for numerous aircraft fleets, missile and UAV systems, and the flight test community. Our trusted systems are fielded on dozens of military platforms, both fixed and rotary wing, and our verifiable track record of rapidly supplying affordable and long life national security data management solutions is second to none.

CALCULEX employs a modular Commercial Off the Shelf (COTS) RIPR® (Recorder – Integrated Processor – Router) product family and plug-and-play architecture to provide a baseline for customization to specific mission and platform needs. Our Quality Assurance System is certified to AS9100D and ISO9001 standards, and we pride ourselves on consistently meeting and exceeding customer expectations. CALCULEX is now part of Spectra Aerospace & Defense, following our incorporation in February 2021, and we remain committed to delivering innovative, cost-effective, and highly reliable solutions for the most demanding airborne operations. With over 30 years of industry experience, CALCULEX® is the trusted partner of choice for customers seeking robust, high-performance, and rugged data acquisition, recording, processing, and routing products.