United States, May 22 -- Management Services Group doing business as Global Technical Systems, Virginia Beach, Virginia (N0003926D9501); Leidos, Reston, Virginia (N0003926D9502); Serco, Herndon, Virginia (N0003926D9503); Systems Engineering Support Co., San Diego, California (N0003926D9504); and VT Milcom, a wholly-owned subsidiary of VT Group Holdings Inc., Virginia Beach, Virginia (N0003926D9505), are each being awarded an indefinite-delivery/indefinite-quantity, firm-fixed-price contract for Automated Digital Network System production units, components, COTS software, spares, lab material, future cyber threat upgrades and mission focused upgrades to support required target inventory objectives for shore and afloat platforms and airborne ...