Low altitude airburst penetration
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An air burst or airburst is the detonation of an explosive device such as an anti- personnel is distributed more evenly over a wider area; however, the peak energy is lower at ground zero.
or unarmored targets, as the resulting fragments cover a large area but will not penetrate armor, entrenchments, or fortifications.
Low Altitude Air Blast: Thor Missile Airburst;. , Feet. STARFISH . m penetrating depth of missile, most of energy is lost in release to atmosphere.
Description:When infantry moved into deep trenches, shrapnel shells were rendered useless and high-explosive shells were used to attack field fortifications and troops in the open. Within a millisecond after detonation, the diameter of the fireball from a 1 megaton Mt air burst is m. If the burst is shallow enough to penetrate the surface, blast, thermal, and initial nuclear radiation effects will be present, but will be less than for a surface burst of comparable yield. Moreover, even these Iimited calculations are subject to very large uncertainties that make it much more difficult to predict than blast damage. As it expands toward its maximum diameter, the fireball cools, and after about a minute its temperature has decreased to such an extent that it no longer emits significant amounts of thermal radiation.
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