In this task, we ask you to rewrite a sentence in simple English without changing its general meaning. Essentially, you want to make the sentence easier to read by using simpler words, utilizing more straightforward sentence structures, and omitting non-essential information etc.
Q: He returned to France to be air navigation director of Direction de la navigation ae rienne now called Direction des Services de la navigation ae rienne until 1993 .
A:
He returned to France to be an air navigation director until 1993 .