(FILES) This file photo taken on November 23, 2015 shows French Army Chief of Staff General Pierre de Villiers speaking during his visit to French navy soldiers on the French Charles-de-Gaulle aircraft carrier at the eastern Mediterranean sea, as part of operation Chammal in Syria and Irak against the Islamic State group. French military chief Pierre de Villiers announced to AFP in a press release on July 19, 2017 he presented his resignation to French President Emmanuel Macron "Who accepted it". / AFP PHOTO / ANNE-CHRISTINE POUJOULAT