4. C-17A Globemaster III
Price – $218 million
This massive plane is created to transport troops and more. In fact, it can carry soldiers, vehicles, military equipment and anything else that might be necessary, like providing medical evacuations. The aircraft was developed for the US Air Force and had its first flight in 1991, only to be formally introduced four years later.
The United States Air Force, the Royal Air Force, Royal Australian Air Force and the Indian Air Force are the primary users of the 279 C-17A Globemasters built by the beginning of 2015.