sentences:  Captain Charles de Gaulle continued to be a protégé of Pétain throughout these years.He even allegedly named his eldest son after the Marshal, although it is more likely that he named his son after his family ancestor Jean Baptiste Philippe de Gaulle, before finally falling out over the authorship of a book he had said he had ghost-written for Pétain.In 1928 Pétain had supported the creation of an independent air force removed from the control of the army, and on 9 February 1931, following his retirement as Vice-Chairman of the Supreme War Council, he was appointed Inspector-General of Air Defence.