133 Squadron

The 133 Squadron was a squadron in the Royal Air Force which saw action in World War II. Captain Jack Harkness was an American volunteer in the 133 Squadron. (TV: Captain Jack Harkness) After his death during air combat, his name was taken by a time-travelling conman who served in his position in the 133 Squadron for a brief time before meeting the Ninth Doctor. (TV: The Empty Child/The Doctor Dances)