The Mil V-12 was larger than a Boeing 727 and could carry a payload of 80,000 pounds. It was the largest helicopter ever built, and its purpose was airlifting nuclear missiles.☢️ But although the Soviet marvel won some prizes, it never progressed beyond

The Mil V-12 was larger than a Boeing 727 and could carry a payload of 80,000 pounds. It was the largest helicopter ever built, and its purpose was airlifting nuclear missiles.☢️ But although the Soviet marvel won some prizes, it never progressed beyond the two prototypes...