Sikorsky to Build Superfast, Military-Grade Helo

In 2009 Sikorsky Aircraft built the world’s fastest helicopter, the X2, which clocked in at nearly 287 miles per hour and earned a PM Breakthrough Award to boot. Since then, the company has been incorporating the technology into designs for a new helo—the Raider S-97—which it plans to offer it to the U.S. Army in 2015.

See the full article at popularmechanics.com