Global Information Grid Services Management - Engineering, Transition and Implementation; Digital Management Inc., Bethesda, Md.; Onyx-Technica Joint Venture, Columbia, Md.; NES Associates LLC, Alexandria, Va.; Cambridge International Systems Inc., Arlington, Va.; TurningPoint-EMW Joint Venture LLC, Rockville, Md.; By Light Professional IT Services Inc. Arlington, Va.; and IPKeys Technologies LLC, Stafford, Va., were recently awarded, a multiple indefinite-delivery/indefinite-quantity contract for worldwide support necessary to carry out required engineering, transition, implementation, integration; connection approval and IT service management activities, in support of existing and future Defense Information System Network (DISN) networking capabilities. Performance will predominantly be within the continental United States; however, support services are also required at multiple overseas locations. The period of performance includes a base period of two years, one two-year option period and one one-year option period for a total period of five years. The estimated contract ceiling value for the two-year base period of this action is $568 million. Furthermore, $1.42 billion is the sum total ceiling value for all seven GSM-ETI contracts, which cannot be exceeded over the life of the potential five years. The Defense Information Technology Contracting Organization, Scott Air Force Base, Ill., is the contracting activity.