- 行业: Government; Military
- Number of terms: 79318
- Number of blossaries: 0
- Company Profile:
The imaginary boundary layer dividing the stratosphere from the lower part of the atmosphere, the troposphere. The tropopause normally occurs at an altitude of about 7.62km to 13.71km in polar and temperate zones, and at 16.76km in the tropics. (See Stratosphere, Troposphere.)
Industry:Military
Anti-Ballistic Missile Treaty of 1972, signed and ratified by the (former) Soviet Union and the United States, limiting deployment on each side to one site comprising 100 interceptors, 100 launchers, and several ground-based radars. The Treaty also regulates development and testing.
Industry:Military
1. The placement of force elements in battle positions to obtain a higher state of readiness. 2. The movement required to place force elements in battle positions. 3. Fielding the weapons system by placing it into operational use with units in the field/fleet. 4. To arrange, place, or move strategically.
Industry:Military
The amount of power that can be delivered per unit solid angle by a directed energy weapon. As used in the BMD program, brightness is the measure of source intensity. To determine the amount of energy per unit area on a target, both source brightness and source-target separation distance must be specified.
Industry:Military
1. The total phases through which an item passes from the time it is initially developed until the time it is either consumed or disposed of as being excess to all known materiel requirements. 2. (Software). All the states a software or software related product passes through from its inception until it is no longer useful.
Industry:Military
1. The ability to produce correct results despite input errors. 2. The existence of coordinated, multiple capabilities that perform the same broad task/mission. Provides the BMD warfighter with sufficient flexibility to negate the specified threat with application of a variable mix of ground and space-based systems. (USSPACECOM)
Industry:Military
Event or point in time during the program before which decision criteria must be met. If decision criteria are not met, BMDO may decide that the program may not proceed through the checkpoint. A checkpoint may correspond to an event such as a program review, test event, or contract award; it may also correspond to a point in time, e.g. six months after contract award.
Industry:Military
1. An authorization by a designated official of a DoD component making funds available within a prescribed amount to an operating agency for the purpose of making allotments (i.e., the first subdivision of an apportionment). 2. In Air Defense planning, the translation of apportioned operations/tasks in total numbers of sorties by aircraft type available for each operation/task.
Industry:Military
A US Air Force term for air operations conducted to attain and maintain a desired degree of air superiority by the destruction or neutralization or enemy forces. Both air offensive and air defensive actions are involved. The former range throughout enemy territory and are generally conducted a the initiative of friendly forces. The latter are conducted near or over friendly territory and are generally reactive to the initiative of the enemy air forces.
Industry:Military
1. A period of hostilities beginning when the first ballistic missile target undergoes fire from the first defensive weapon. 2. A period beginning whenever any hostile object is identified (designated) as hostile and ending after the last hostile object has been attacked. 3. In air defense, an attack with guns or air-to-air missiles by an interceptor aircraft, or the launch of an air defense missile by air defense artillery and the missile’s subsequent travel to intercept.
Industry:Military
