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






Quality & Certifications

Innovative Solutions with Unmatched Quality – CALCULEX Leads the Way in Aerospace & Defense Markets with Customer Satisfaction at its Core

With CALCULEX at the helm, our customers can expect nothing less than excellence. CALCULEX boasts a long-standing tradition of providing innovative and reliable solutions, backed by a well-established quality management system (QMS) and standardization practices that promote continuous improvement and operational consistency.

A functional and certified QMS is the backbone of CALCULEX’s success – ensuring a deep-rooted culture of quality and accountability. This commitment to quality also translates to a firm focus on customer satisfaction, which lies at the heart of the company’s values and culture.

CALCULEX prides itself on its exceptional customer service and product satisfaction. Tailoring solutions to meet the unique mission requirements of each customer is a top priority, whether it’s from the start of engagement or delivery of the final product. CALCULEX’s thoroughly audited quality systems guarantee that customers are delivered with results that surpass their expectations.

With a proven track record in delivering cost-effective and reliable solutions, CALCULEX stands tall as a leading name in the aerospace & defense markets.