Crack teams of navigators and pilots marked targets from the air, in the dark and under fire At the beginning of the Second World War, when Germany learned it would never persuade Britain to remain neutral or sign a peace treaty, sterner measures were adopted. The Nazis decided try to bomb and starve Britain into submission.  The Luftwaffe attacked industrial targets while the Kriegsmarine went after the island nation’s supply lines. An army invasion was planned as the next step. But attacking Britain while fighting the war on other fronts would take all of Germany’s industrial might—coal for industrial furnaces, steel for ships and aircraft, raw materials for munitions and factories to make them, railways, highways and canals to move supplies, troops and materiel, as well as fuel pro...