Army Brigade Combat Team Modernization. Joint Tactical Radio System. AH-64D Apache. KC-767 Refueling Tanker_x005F_x000D_ _x005F_x000D_ The GECO customer roster speaks volumes. For 15 years,we've supported some of the world's most strategically important defense systems with complete hardware,software,and engineering solutions. Today this experience brings big benefits to a wide range of industries and customers,including medical,commercial,and industrial.