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2023-07-07 08:42:49 UTCcrayon97
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The Sikorsky-Boeing SB-1 Defiant (stylized as SB>1; corporate designation S-100) is the Sikorsky Aircraft and Boeing entry for the United States Army's Lift Future Vertical program to succeed the Joint Multi-Role (JMR) initiative. . It is a compound helicopter with rigid coaxial rotors, powered by two Honeywell T55s, and made its first flight on March 21, 2019.