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Unformatted text preview: (20 in service) – 16 bombs in the 100 kt to 1 Mt yield range • Minuteman III missile (450 in service) – range 6000 miles, 1 warhead 300 kt yield Types of Nuclear Weapons • Fission Bomb – spliXng of 235U or 239Pu nuclei • Fusion (Hydrogen) Bomb – Fission Explosion Fuses 2H (deuterium) and/or 3H (tri8um) • Boosted – Tri8um and deuterium are injected into ﬁssion core used to enhance ﬁssion yield • Neutron Bomb – Enhanced radia8on weapon – Less blast, kills people by neutron radia8on while buildings might be spared • Salted Bomb – Fission bomb or fusion encased in natural cobalt (59Co). Detona8on converts cobalt into highly radioac8ve 60Co with a half‐life of 5.3 years. Several hundred tons of 60Co, dispersed into the atmosphere and you might have the scenario in Nevil Shite’s “On the Beach”. How Nuclear Weapons Kill • Ka‐boom: Heat, Blast, Flash • Penetra8ng Radia8on: X‐ray and Gamma, Neutrons • Fallout: Unstable ﬁssion products and irradiated bomb components (e.g., 60Co) • Climate Eﬀects: Nuclear Winter – Soot from ﬁres caused by detona8on of 100’s or 1000’s...
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