Interesting Engineering on MSN
US Apache attack helicopter shoots new 30mm rounds to blow up drones midair
The US Army has live-tested an AH-64 Apache attack helicopter firing the 30×113mm XM1225 ...
Dark Skies Official on MSN
The tiltrotor that proved helicopters could fly like airplanes
After decades of failed attempts to merge the vertical lift of a helicopter with the speed of a fixed-wing aircraft, the Bell XV-15 finally made the concept work. Developed from research efforts that ...
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