Multiple Reentry vehicle

Multiple Reentry vehicle

A Multiple Reentry vehicle payload for a ballistic missile deploys multiple warheads in a pattern against a single target. (As opposed to MIRV, which deploys multiple warheads against multiple targets.) The advantage of an MRV versus a single warhead is that the damage produced in the center of the pattern is far greater than the damage possible from any single warhead in the MRV cluster, this makes for an efficient area attack weapon. Also, the sheer number of Warheads make interception by Anti Ballistic Missiles unlikely.

Improved warhead designs allow smaller warheads for a given yield, while better electronics and guidance systems allowed greater accuracy. As a result MIRV technology has proven more attractive than MRV for advanced nations. Because of the larger amount of nuclear material consumed by MRVs and MIRVs, single warhead missiles are more attractive for nations with less advanced technology. The United States deployed an MRV payload on the Polaris A-3. The Soviet Union deployed MRVs on the SS-9 Mod 4 ICBM. Refer to atmospheric reentry for more details.

ee also

* Atmospheric reentry
* Multiple independently targetable reentry vehicle


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  • maneuverable reentry vehicle — A reentry vehicle capable of performing preplanned flight maneuvers during the reentry phase. See also multiple independently targetable reentry vehicle; multiple reentry vehicle; reentry vehicle …   Military dictionary

  • multiple independently targetable reentry vehicle — Mil. a reentry vehicle that breaks up into several nuclear warheads, each capable of reaching a different target. Abbr.: MIRV, M.I.R.V. * * * Multiple Independently Targetable Reentry Vehicle, a guided missile with multiple nuclear warheads to be …   Useful english dictionary

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