The present work is about calculating the optimal missile locations for the end-game in an air defence system. A doctrine is proposed which consists of using two missiles simultaneously and sending them to two different locations near the collision course. This two missiles case is compared with the case of using a single missile on the collision course by taking into account the target position, its heading, and a target (step) manoeuvre. The size of the engagement envelope (calculated from the miss distance) and the lethal launch envelope (calculated from a kill probability) are used as performance measures. It is shown that the simultaneous use of two missiles can be advantageous, in particular if the lethal launch envelope is considered.
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