History's Most Costly Military Vehicles Revealed

4. Sikorsky CH-53 Sea Stallion – USA

Manufacturer: Sikorsky Aviation Primary Operators: German Air Force, Israeli Air Force, Mexican Air Force, U.S. Marine Corps, and Air Force Cost: $138 million per unit The Sikorsky S-65, also designated as the CH-53 Sea Stallion, functions as a heavy-lift transport aircraft designed and manufactured by Sikorsky Aircraft. Originally developed for the US Air Force and Marine Corps, it now also serves Germany, Israel, and Mexico.

Advertisement

The Sikorsky CH-53 American Sea Stallion, ©Wikimedia.org/Raul Gonzalez Called "Super Jolly Green Giant" during the Vietnam War because of its green coating, the S-65 was subsequently upgraded to the Super Stallion variant. This improved version includes a more powerful engine and enhanced lifting capability, making it essential for heavy-lift operations.