114K views · 3.2K reactions | U.S. Air Force special operations forces used the Sikorsky MH-53M to covertly enter enemy territory. Capable of operating at day or night or in bad weather, these helicopters conducted long-range, low-level missions to insert, extract, and resupply special operations forces. #avgeek #helicopter #museum | National Museum of the U.S. Air Force | Facebook

8.7K views · 816 reactions | The Sikorsky CH-53K King Stallion is a heavy-lift cargo helicopter currently being developed by Sikorsky Aircraft for the United States Marine Corps (USMC). The design features three 7,500 shp (5,590 kW) engines, new composite rotor blades, and a wider aircraft cabin than previous CH-53 variants. It will be the largest and heaviest helicopter in the U.S. military. MilitaryLeak.com | Military Leak | Facebook