April 29, 2020 Spangdahlem block 50 F-16 first in USAFE to cross 10,000 flight hours threshold Aircraft 91-0343, a U.S. Air Force F-16 Fighting Falcon assigned to the 480th Fighter Squadron, became the first block 50 F-16 in U.S. Air Forces Europe-Air Forces Africa and the second in the U.S. Air Force to cross the 10,000 flight hours milestone, at Spangdahlem Air Base, Germany, April 23,