Sikorsky CH-53K Super Stallion
 The Sikorsky CH-53K Super Stallion is a large heavy-lift cargo helicopter currently being developed by Sikorsky Aircraft for the United States Marine Corps. The design features three 7500 shp (5590 kW) engines new composite rotor blades and a wider cabin than previous CH-53 variants. It will be the largest and heaviest helicopter in the U.S. military. It is planned to deliver 200 helicopters at a total cost of over $23bn.