EM USA Terms and Definitions - FEMA

(Dept. of the Army, WMD-CST Operations, December 2007, p. 1-3) Air Burst: “The explosion of a nuclear weapon at such a height that the expanding fireball does not touch the earth's surface when the luminosity is a maximum (in the second pulse).” (Glasstone, The Effects of Nuclear Weapons (3rd Edition), 1977, Glossary, p. 629) ................
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