Mandatory Credit: Photo by C Madden/Manchester/REX (883182a) War-britain-army Home Defence Searchlights Men Of A Searchlight Unit In The Northwestern Fefence Area Keeping Up To Concert Pitch With Daily Training In Readiness For The German Attempt. They Get Plenty Of Practice On The Sound Locator From Passing English Planes. Practice Is Carried Out Like The Real Thing With The Lewis Gun Manned. War-britain-army Home Defence Searchlights Men Of A Searchlight Unit In The Northwestern Fefence Area Keeping Up To Concert Pitch With Daily Training In Readiness For The German Attempt. They Get Plenty Of Practice On The Sound Locator From Passing E The Battle [of Britain] can be roughly divided into four phases: 10 July11 August: Kanalkampf, ("the Channel battles"). 12 August23 August: Adlerangriff ("Eagle Attack"), the early assault against the coastal airfields. 24 August6 September: the Luftwaffe targets the airfields. The critical phase of the battle. 7 September onwards: the day attacks switch to British towns and cities - [the Blitz]