A Boeing C-32, known as “Air Force Two” receives fuel during a stop at RAF Mildenhall, England, Feb. 26, 2019. Along with Air Force One and an E-4B National Airborne Operations Center, the aircraft were in route to Hanoi, the capital city of Vietnam, for President Donald J. Trump’s second summit with North Korean leader Kim Jong-Un. (U.S. Air Force photo by Airman 1st Class Brandon Esau)