Procurement Rules and practice Evaluation Astronautics, Military Appropriations and expenditures Ballistic missile defenses Ballistic missile defenses Planning Command and control systems Defense contracts Management Evaluation Launch vehicles (Astronautics) National security Planning Public contracts Space weapons United States Defenses Air forces Training Artificial satellites in telecommunication Government policy Astronautics Appropriations and expenditures Evaluation Astronautics and state Astronautics and state Evaluation Astronautics and state Finance Planning Astronautics, Military Economic aspects Astronautics, Military Finance Ballistic missile early warning system Ballistic missiles Government policy Contracting out Government policy Defense contracts Employee screening Employee selection Government contractors Subcontracting