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Futuristic 'Defiant X' in Running to Become Army's Future Long-Range Assault Helicopter Sikorsky and Boeing released details of the DEFIANT X helicopter designed for the U.S. Army. (Courtesy Sikorsky and Boeing) 25 Jan 2021 Sikorsky and Boeing Co. have unveiled the futuristic helicopter they're proposing to be the U.S. Army's Future Long Range Assault Aircraft. In a series of mockup photos and videos, Sikorsky and Boeing officials on Monday revealed Defiant X: a compound coaxial helicopter, like its predecessor the SB>1 Defiant, but with significant upgrades for troops headed into combat zone...

Lockheed-Boeing team pitch Defiant X, its candidate for the Army’s long-range assault helo competition January 25 Lockheed Martin and Boeing unveiled its offering to the U.S. Army's Future Long-Range Assault Aircraft competition Jan. 25, 2021 -- calling it Defiant X. (Artistic rendering courtesy of Lockheed Martin and Boeing) The modified, competition-ready aircraft design is being called Defiant X, taking the same surname as little brother Raider X, which is Lockheed’s submission for the Army’s other helicopter competition — the Future Attack Reconnaissance Aircraft (FARA) progra...