(By Staff Sgt. Alexis Morris) Nearly two decades after the U.S. Air Force retired the airframe from combat, one F-117A Nighthawk had the rare opportunity to take to the skies once more: this time, in the cargo hold of a C-5M Super Galaxy. The historic stealth aircraft, bound for the Smithsonian Institution’s National Air and Space Museum’s Steven F. Udvar-Hazy Center in Chantilly, Virginia, would soon join the institution’s permanent collection.