A multiple independently targetable re-entry vehicle, or MIRV, is a collection of nuclear weapons carried, usually ten or twelve warheads at a time, on a single intercontinental ballistic missile, allowing a single launched missile to strike a handful of targets, and allowing a few missiles to strike several targets redundantly.
... and 417 families residing in the town. The population density is 129.8/km² (336.2/mi²). There are 519 housing units at an average density of 43.6/km² ...