United States, March 5 -- Systems Planning and Analysis Inc., Alexandria, Virginia, is being awarded a $98,585,373 cost-plus-fixed-fee modification (P00002) to a previously awarded and announced contract (N00030247002) for support services for Nuclear Sea-Launched Cruise Missile Weapons Surety, Policy, and Compliance. Tasks to be performed include systems engineering and system integration, test/flight test engineering, modeling and simulation, prototyping oversight, system design documentation, interface management, configuration management, Nuclear Command, Control, and Communications, executive nuclear weapon subject matter expert support (SME), tactical nuclear weapons SME support, and program management and acquisition support services...