The CH-53K was developed by Sikorsky to meet requirements of the US Marine Corps. Development commenced in 2006. This heavy helicopter was first .


On Wednesday October 28, 2015 at the Sikorsky Aircraft Development Flight Center the successful first flight of the U.S. Marine Corps CH-53K King Stallion .
The Sikorsky Aircraft Development Flight Center successfully conducted the first flight of the U.S. Marine Corps CH-53K King Stallion heavy lift helicopter .