新的国会预算办公室（CBO）分析估计，唐纳德·特朗普提出的“黄金穹顶”导弹防御系统在20年内的成本可能高达1.2万亿美元。这一数字远高于项目官员此前提出的1750亿美元。CBO的报告还指出，即使进行了如此巨额的投资，该系统仍可能容易受到先进对手的压倒性攻击。 AI
排序理由 该集群报道了一个无党派政府机构对拟议防御系统的成本和有效性的分析，属于研究和政策分析范畴。[lever_c_demoted from research: ic=2 ai=0.1]
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US President Donald Trump’s Golden Dome missile defence shield will cost as much as US$1.2 trillion to deploy and operate, six times above current forecasts, according to a new estimate – and would still probably fail to stop an all-out attack. The new forecast from the non-parti…
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The CBO report is described as an analysis that reflects “one illustrative approach rather than an estimate of a specific Administration proposal."