GTC provides satellite airtime and tracking services to government and defense industry end users and are partnered with resellers of leading satellite network providers such as Globalstar, Inmarsat, Iridium and Thuraya. GTC specializes in satellite tracking services and owns a number of network infrastructure devices containing the signal processing technology that powers the Globalstar Simplex Data Service. GTC's equipment is installed in various ground stations across South America, Europe, Asia, and Australia. For more information regarding GTC, please visit GTC's website at www.gtc-usa.com.