This looks easy. But I can’t imagine how much engineering went into designing this system. Check out the video.
Ready to go: Watch how the #CH53K’s blades fold, making it easy to transport by sea, air or land. 🌊 ✈️ #OnlyTheKCan #ParisAirShow #PAS2019 pic.twitter.com/Ola5Rf3GiZ
— Sikorsky (@Sikorsky) June 17, 2019