"Streams" of hundreds of these things were deployed to overwhelm the Kammhuber Line. The “combat box” was (15[1])adopted to improve the efficacy of these things following the mass installation of a Carl Norden invention. In a 1932 speech titled "Fear for the Future," Stanley Baldwin claimed these things (15[1])"will always get through." (15[1])The use of these things during daytime (15[1])was advocated for by a Haywood Hansell-led (*) "Mafia" who title a 2021 book by Malcolm (10[1])Gladwell. Abraham Wald's demonstration (-5[1])of survivorship bias involved a picture of red dots drawn on one of these objects representing bullet holes. During World War II, the propaganda that carrots improve eyesight was spread to hide British use of a technology to detect these objects. For 10 points, the B-17 Flying Fortress and B-29 Superfortress are what type of aircraft that carry out air-to-ground combat by dropping explosives? ■END■ (10[1])