On July 10th, 1940, the Battle of Britain began with raids on airfields and ports.
Besides the Royal Navy, Germany needed to defeat the Royal Air Force (RAF) and achieve air superiority for a seaborne invasion to occur. On July 10th, 1940, the Battle of Britain began with raids on airfields and ports. Except the Luftwaffe faced the RAF – an organized force backed by the newly invented radar, an observer corps watching for raids and equally capable aircraft.