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






European Test and Telemetry Conference ETTC 2024


Date Location Stand #
June 11 – June 13, 2024 Nuremberg, Germany 521


Spectra Aerospace & Defense, along with its robust platform of C5ISR companies – CALCULEX, Galleon Embedded Computing, and ArgonFDS – is thrilled to announce its participation in the upcoming European Test & Telemetry Conference 2024 (ETTC 2024).

This globally recognized event, taking place from June 11-13, 2024, in Nuremberg, Germany, focuses on the challenges and advancements in testing, instrumentation, and telemetry across air, ground, space, and maritime transportation sectors. As leaders in rugged, highly-engineered electronics products and systems, Spectra and its associated companies bring over half a century of battle-tested experience, delivering secure end-to-end information systems that capture, process, and display mission-critical data in the harshest environmental conditions.

CALCULEX, internationally recognized for its real-time, high-speed data acquisition, processing, routing, and recording solutions, has three inventions that have become US Government Standards. Galleon Embedded Computing, a world-class leader, develops high-performance storage solutions and small, rugged data recorder systems serving a wide array of global applications. ArgonFDS, with over 31 years of experience, designs, produces, and supports a variety of rugged computing and display solutions suitable for extreme environments.

At ETTC 2024, we will demonstrate how our innovative, highly-engineered products adapt to changing requirements throughout a program’s lifecycle. The Spectra brand represents excellence in the aerospace and defense industries. We symbolize trust, reliability, quality, and a commitment to pushing boundaries and transforming barriers into opportunities.

Join us at this event and witness firsthand how Spectra, CALCULEX, Galleon Embedded Computing, and ArgonFDS turn complex challenges into cutting-edge solutions. Our team, innovative, passionately curious, highly capable, persistent, and qualified, is ready to deliver. We’re not just attending this conference; we’re actively shaping the future of the defense community.


Let’s Schedule a Meeting at European Test and Telemetry Conference ETTC 2024


Rugged Products of Interest