- 行业: Government; Military
- Number of terms: 79318
- Number of blossaries: 0
- Company Profile:
A concise public document whose primary purpose is to provide sufficient analysis of environmental effects of an action to determine whether to prepare an environmental impact statement or a finding of no significant impact.
Industry:Military
Prediction of the point on the earth’s surface where a specific RV will impact, usually specified in terms of the circular error probable. The estimate includes the perturbing effects of the atmosphere and resultant uncertainties.
Industry:Military
A tube containing all the objects originating from launch sites and aimed at targets whose spacing is close enough to permit the tube around the object trajectories to be represented by a single trajectory in battle management computation.
Industry:Military
A tube containing all the objects originating from launch sites and aimed at targets whose spacing is close enough to permit the tube around the object trajectories to be represented by a single trajectory in battle management computation.
Industry:Military
The status of an item of equipment in the possession of an operating unit that indicates it is capable of fulfilling its intended mission and in a system configuration that offers a high assurance of an effective, reliable, and safe performance.
Industry:Military
A mathematically precise statement of a security policy. To be adequately precise, such a model must represent the initial state of a system, the way in which the system progresses from one state to another, and a definition of a "secure" state of the system.
Industry:Military
An individual designated by the Director, BMDO who makes risk acceptance decisions. The RAA evaluates trade-offs between threats and such factors as cost, security, survivability, and safety to achieve a functionally operational, affordable, and secure system.
Industry:Military
States all necessary requirements in terms of performance, including test provisions to assure that all requirements are achieved. Essential physical constraints are included. Type A specifications state the technical and mission requirements of the system as an entity.
Industry:Military
A system of satellites in geostationary orbits, fixed and mobile ground processing stations, one multi-purpose facility, and a ground communications network (GCN). DSP’s primary mission is to provide tactical warning and limited attack assessment of a ballistic missile attack.
Industry:Military
An indicator of the delivery accuracy of a weapon system, used as a factor in determining probable damage to a target. It is the radius of a circle within which half of a missile’s projectiles are expected to fall or there is a 50% probability that a single projectile shall impact.
Industry:Military
