In the summer and fall of 1940, German and British air forces clashed in the skies over the United Kingdom, locked in the largest continuous bombing campaign to date.
The Luftwaffe's victory in the aerial combat would have exposed Great Britain to an invasion by German forces, which at the time were in control of French ports just a few miles from the English Channel.
In this event, the battle was won by Royal Air Force (RAF) Fighter Command, whose victory not only blocked the possibility of an invasion, but conditions for the survival of Great Britain, the extension of the war, and eventual defeat. Made it too. of Nazi Germany.
On July 16, 1940, Hitler issued an order of preparation and, if necessary, ordered the execution of the plan for the invasion of Great Britain. But an amphibious attack on Britain would be possible only if Germany could establish air control in the war zone, given Britain's large navy.
To this end, the head of the Luftwaffe, Göring, issued the "Eagle Day" directive on 2 August, devising a plan of attack in which some major blows from the air were to destroy British air power and therefore the destruction of amphibious forces. opened the way for The invasion, dubbed the operation "Sea Lion".