Marine One is the designation of any Marine Corps aircraft that carries the President of the United States. Usually Marine One is pictured as a helicopter.[http://www.marines.mil/unit/hqmc/hmx-1/Pages/deps/EFD/default2.aspx] | Marine One is the designation of any Marine Corps aircraft that carries the President of the United States. Usually Marine One is pictured as a helicopter.[http://www.marines.mil/unit/hqmc/hmx-1/Pages/deps/EFD/default2.aspx] |