"Lockheed Martin Corp.’s Sikorsky unit has released a new video of its next-generation helicopter prototype, the S-97 Raider, undergoing more flight testing.
The two-and-a-half minute video uploaded to YouTube on Tuesday shows the coaxial chopper flying with wheels down and up, views from the cockpit as test pilots take notes, and multiple shots of the aircraft as it soars over the airport and surrounding environs..."
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