Throw-weight is a measure of the effective weight of
ballistic missilepayloads. It is measured in kilogramsor metric tons. Throw-weight equals the total weight of a missile's warheads, reentry vehicles, self-contained dispensing mechanisms, penetration aids, and guidance systems — generally all components except for the launch rocket booster and launch fuel. [ [http://www.answers.com/topic/throw-weight throw-weight: Definition and Much More from Answers.com ] ]
Throw-weight is used as a criterion in classifying different types of missiles. It was first defined during the
Strategic Arms Limitation Talksof 1979 ( SALT II) between the Soviet Unionand the United Statesas a way to set limits for each country's allowed supply of each missile class. [ [http://www.airpower.maxwell.af.mil/airchronicles/aureview/1982/nov-dec/tritten.html Throw-Weight and Arms Control ] ] For example, during the SALT talks, the Soviet heavy ICBMs, which had a throw-weight of over 5 metric tons, were disallowed altogether.
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