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Price pressure: U.S. Air Force, NRO push industry for lower satellite launch costs

机译:价格压力:美国空军,NRO推动行业降低卫星发射成本

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In 1987, when McDonnell Douglas won a U.S. Air Force contract to send 18 GPS satellites into orbit, the launch philosophy was to strive for success while accepting the odds that one of the company's Delta 2 rockets might fail. If that happened, it would not be catastrophic. Each spacecraft was part of a constellation that included spare satellites. A launch failure might delay the program, but would not derail it, said Jim Maser, a rocket engineer at McDonnell Douglas at the time and now president of engine-maker Pratt & Whitney Rocketdyne. That philosophy no longer exists. After a string of fiery explosions and stranded satellites in the late 1990s, the Defense Department and National Reconnaissance Office began emphasizing mission assurance. Over time, the "failure is not an option" philosophy took hold. Unlike the GPS satellites of the 1980s, today's military communications and spy satellites typical cost billions of dollars each, and no one is willing to accept losing one.
机译:1987年,麦克唐纳·道格拉斯(McDonnell Douglas)赢得美国空军的一份合同,将18颗GPS卫星送入轨道,其发射理念是为成功而努力,同时接受该公司的Delta 2火箭之一可能失败的可能性。如果那件事发生了,那将不是灾难性的。每个航天器都是一个包括备用卫星的星座的一部分。麦克唐纳·道格拉斯当时的火箭工程师,现任引擎制造商普惠公司的总裁吉姆·马瑟说,发射失败可能会延迟该计划,但不会使计划脱轨。这种哲学不再存在。在1990年代后期发生一连串火热爆炸和卫星搁浅后,国防部和国家侦察局开始强调任务保证。随着时间的流逝,“失败不是一种选择”的理念得以确立。与1980年代的GPS卫星不同,当今的军事通信和间谍卫星每颗通常要花费数十亿美元,而且没有人愿意接受输掉一颗。

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