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Leishman notes that the Boeing/Sikorsky RAH-66 Comanche was the first helicopter designed from the "ground up" to be a stealth vehicle. 波音(Boeing)/西科斯基(Sikorsky)的RAH-66“科曼奇”直升機(jī)是第一款全新設(shè)計(jì)的隱形載具。