- H erd la . ▁In ▁total , ▁Sch n au fer ▁made ▁two ▁oper ational ▁fl ights ▁without ▁contact ▁with ▁the ▁enemy . ▁Following ▁this ▁assignment ▁they ▁re located ▁to ▁ 5 . ▁Staff els ▁new ▁base ▁in ▁Germany ▁at ▁Bonn - H angel ar ▁via ▁Os lo - G ard ermo en , ▁A al borg , ▁and ▁Lü ne burg . ▁ ▁Following ▁the ▁analysis ▁of ▁the ▁But t ▁Report , ▁the ▁British ▁High ▁Command ▁made ▁a ▁number ▁of ▁dec isions ▁in ▁February ▁ 1 9 4 2 ▁that ▁changed ▁the ▁nature ▁of ▁the ▁bom ber ▁war ▁against ▁Germany . ▁On ▁ 1 4 ▁February , ▁Air ▁Chief ▁Marsh al ▁Norman ▁B ottom ley ▁issued ▁the ▁" Area ▁Bomb ing ▁Direct ive ", ▁which ▁lifted ▁the ▁restrictions ▁placed ▁on ▁the ▁bom bers ▁in ▁ 1 9 4 1 . ▁Air ▁Chief ▁Marsh al ▁Arthur ▁Harris , ▁commonly ▁known ▁as ▁" B om ber " ▁Harris , ▁was ▁appointed ▁commander - in - ch ief ▁of ▁Bom ber ▁Command . ▁These ▁dec isions , ▁couple d ▁with ▁the ▁introduction ▁of ▁Ge e , ▁a ▁radio ▁navigation ▁system ▁which ▁enabled ▁better ▁target - find ing ▁and ▁bomb ing ▁accuracy , ▁led ▁to ▁the ▁first ▁Al lied ▁ 1 , 0 0 0 ▁bom ber ▁ra id . ▁In ▁Operation ▁Mill en ni um , ▁the ▁R AF ▁target ed ▁and ▁bom bed ▁C ologne ▁on ▁the ▁night ▁of ▁ 3 0 / 3 1 ▁May ▁ 1 9 4 2 . ▁Sch