Spectra Holdings (“Spectra”) is a diversified designer and manufacturer of highly engineered avionics and electronics solutions primarily for the aerospace and defense technology market. Spectra offers its customers a differentiated portfolio of proprietary products that span the entire data capture lifecycle – recording, processing, routing, and ultimately displaying mission critical data. Spectra comprises Calculex, Inc. Argon Corporation and FDS Avionics Corp. Vance Street simultaneously acquired and merged these three assets to form Spectra in February 2021 and subsequently acquired Galleon Embedded Computing in August 2021.