The U.S. Navy has selected Northrop Grumman Corporation to continue providing tactical communication, network, test systems and services that assure that tactical data link systems operate effectively and efficiently. These systems provide the capability to communicate information to enable network-centric warfare operations. Northrop Grumman's Information Technology (IT) sector provides these products and engineering services to the Naval Sea Systems Command (NAVSEA), Washington, D.C. The indefinite delivery/indefinite quantity contract has an initial award value of approximately $6 million, with a ceiling of over $29 million during its five-year period of performance, if all options are exercised.