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1993年8月2日,从范登堡空军基地4号台发射的大力神4运载火箭,升空后101s开始程序转弯时发生了爆炸,先是箭体周围出现了一圈白烟并迅速向四周扩散,接着出现了一个火球和一股滚滚黑烟,随之爆炸,大块大块的火箭残骸落向海面。 事后的初步分析认为,爆炸是由两台固体助推器中的一台燃烧室壁被烧穿了引起的。烧穿部位在此台发动机从下数第3壳体段背着芯级的一侧。
On August 2, 1993, the Hercules IV launch vehicle from Platform 4 at Vandenberg Air Force Base exploded when 101s started its turn after being launched. The first occurrence was a circle of white smoke around the arrow body and a rapid turn to the surroundings Diffusion, then there was a fireball and a billowing billows, followed by an explosion, large chunks of rocket debris fell to the sea. After the initial analysis, the explosion was caused by the burning of one of the two solid booms. Burn through the site where the engine from the bottom of the third shell segment carrying the core level side.