Appropriations and expenditures National security Deterrence (Strategy) United States Defenses Ballistic missile defenses Finance Astronautics, Military Nuclear arms control Nuclear weapons Government policy Ballistic missile defenses Planning Nuclear weapons Nuclear weapons Management Finance Space control (Military science) Finance Nuclear nonproliferation United States Military policy Ballistic missile defenses Space security Finance Astronautics, Military Finance Nuclear facilities Security measures Finance Procurement Ballistic missiles Nuclear facilities Safety measures Finance Nuclear facilities Security measures Nuclear nonproliferation Government policy Radioactive waste disposal Finance Radioactive wastes Management Finance Rules and practice Space surveillance Finance Strategic forces United States Armed Forces Appropriations and expenditures Ballistic missile defenses Testing