The first pathfinders

"With the British air defence system supreme by day, the Luftwaffe turned to concentrate their attention towards nocturnal bombing missions on major cities and ports. For this purpose they perfected the technique to become known as 'pathfinding'-- the illumination of the target area by a special force as a forerunner to an intense bombing raid. This vital role was to be played by Germany's best known bomber unit, Kampfgruppe 100. Within a detailed and full history of this unit from 1939 until 1941, comes a fascinating account of its operations over Britain, as night after night German bombers…