Free France only about 7,000 soldiers had joined the Free French Army in England. Three-quarters of French servicemen in Britain requested repatriation. France was bitterly divided by the conflict. Frenchmen everywhere were forced to choose sides, and often deeply resented those who had made a different choice. One French admiral, René-Émile Godfroy, voiced the opinion of many of those who decided not to join the Free French forces, when in June 1940, he explained to the exasperated British why he would not order his ships from their Alexandria harbour to join de Gaulle: Equally, few Frenchmen believed that England could stand alone.
Battle of Britain alone was insufficient; the German naval staff had already produced a study (in 1939) on the possibility of an invasion of Britain and concluded that it also required naval superiority. The Luftwaffe said invasion could only be "the final act in an already victorious war." Hitler first discussed the idea of an invasion at a 21 May 1940 meeting with Grand Admiral Erich Raeder, who stressed the difficulties and his own preference for a blockade. OKW Chief of Staff Jodl's 30 June report described invasion as a last resort once the British economy had been damaged and the Luftwaffe had