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 companies help you Capture, Process, and Display your mission-critical data in the harshest environmental conditions. In the air, at sea, on land, and in space, we’ve got you covered.


Data Acquisition

Sensor Recording


Mission Computing

Encrypted Storage

NAS & File Serving

Processing & Routing






Bob McGill

Chief Executive Officer & Board Member

Robert “Bob” McGill is the Chief Executive Officer (CEO) and Board Member of Spectra Aerospace & Defense. He is also currently serving as Acting President of ArgonFDS. He has spent his entire 40-year career in the aerospace and defense industry, mainly in the avionics, sensors, and defense electronics segment. Prior to partnering with Vance Street Capital to form Spectra Aerospace & Defense in February 2021, Bob was Chief Operating Officer of CALCULEX®, Inc. and a Board Member & Executive Director of FDS Avionics.

Bob has held executive-level P&L positions in global C5ISR companies including General Dynamics, as VP/GM Global Imaging Technologies, and at L-3 Communications (now part of L3Harris), as a Division/Group President. Prior to joining L-3 Communications (formerly Loral), Bob held business development, engineering, and manufacturing positions with GEC-Marconi Avionics (a predecessor of SELEX Galileo), Miltope Corporation, and Sperry Corporation.

Overall, Bob brings 40 years of experience in aerospace and defense, with expertise in strategy development and execution; operating company P&L management; mergers and acquisitions; business turnarounds; technology and new product development; new business development; and management team building.

A native of New York, Bob holds an Executive MBA from Georgia State University, a BS from Dowling College, and he completed the Electronic Technology Program at Grumman Data Systems Institute.