US ARMY ROUND-UP

摘要

The prototype SB 1 Defiant, N100FV, was unveiled at Sikorsky's flight test facility in West Palm Beach in late December. Sikorsky Sikorsky Aircraft and Boeing unveiled the SB-1 Defiant helicopter prototype at the former's West Palm Beach Flight Test Center in late December. The Defiant has been built under the US Army's Joint Multi-Role Technology Demonstrator Program. The SB-1 was designed to fly at twice the speed and range of current conventional helicopters, while having advanced agility and maneuverability.