Defense Support Program Satellite, a system for detecting ballistic missile launch and nuclear warhead detonation.
United States Department of Defense | Today (NBC program) | television program | Israel Defense Forces | United States Secretary of Defense | Apollo program | Fulbright Program | National Defense Service Medal | Television program | Nightline (US news program) | Defense Superior Service Medal | Today (Australian TV program) | Japan Maritime Self-Defense Force | Glenn Beck Program | Air Defense, Tactical Air Command | V-12 Navy College Training Program | Sunrise (TV program) | Program and System Information Protocol | United States Deputy Secretary of Defense | Computer program | The Sarah Silverman Program | Head Start Program | La Défense | computer program | Aerospace Defense Command | Office of the Secretary of Defense | National Defense University | Defense of the Ancients | The Dave Ramsey Show (radio program) | Greater Underwater Propulsion Power Program |