ATK Schedule Next Ares I First-Stage Test Attempt
GATHERING PACE: Sikorsky says it is on track to break the 250-knot speed barrier by year’s end with its X2 Technology coaxial-rotor high-speed helicopter demonstrator. The aircraft has reached 56 knots in flight tests at West Palm Beach, Fla., and is down for rudder integration. Sikorsky plans to...
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