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







Twin Otter Guardian 400 Special Mission Aircraft


The Guardian 400 is the surveillance, search & rescue, and critical infrastructure support for the 21st century. The Guardian 400’s low acquisition & operating costs, as well as its flexible design & inclusive configuration suit the operator’s specific mission needs.Galleon Embedded Computing’s versatile XSR Recorder was chosen by the Guardian 400 team to be the onboarded solution, due to XSR’s ease of integration and interoperability between the existing camera system aboard the aircraft.The XSR’s flexible design allows the integration of a large selection of high-rate data sensors including; HD video, radar, SIGINT/COMINT systems, as well as low-rate interfaces such as; analog or digital audio, ARINC 429, MIL-STD-1553, LIDAR, etc.


Learn more about the Guardian 400 Special Mission Aircraft

Learn more about the XSR Family of Rugged Computing Products




NATO Alliance Ground Surveillance System


On November 20th, 2019, the NATO AGS RQ-4D departed from Palmdale, California, and landed 22 hours later at Sigonella Air Base, Sigonella, Italy.In this article, Galleon Embedded Computing was recognized by Northrop Grumman as a primary contributor to the success of the first transatlantic flight of the NATO Alliance Ground Surveillance (AGS) System.The ad reads:”Congratulations, NATO, on the first transatlantic flight of the NATO Alliance Ground Surveillance System.”

Read More About NATO AGS



Quality and Certifications

Galleon Embedded Computing is an innovative leader in the development of high-performance, high-quality storage solutions and rugged data recording systems for severe environments. Galleon shall also be a reliable partner throughout the lifetime of long-term programs. To assist in achieving this, Galleon has developed and implemented a Quality Assurance System that is structured to meet the requirements of EN 9100 and ISO 9001.

Read More