"Duke Richardson" . . . . "Presidential Airlift Recapitalization Directorate, AFLCMC" . "823rd Aeronautical Systems Group" . . . . . . "Air Force Materiel Command" . . "Duke Z. Richardson" . "Duke Richardson" . "1983" . "Presidential and Executive Airlift Directorate,AFLCMC" . . . . . . . . . . . . . . . . "United States" . "Tanker Directorate, AFLCMC" .