75 years ago, US bombers flew into the 'most violent, savagely fought, and bloodiest' battle of their campaign to halt the Nazi war machineNOW WATCH: America's B-2 stealth bomber is unlike any military aircraft in the worldSee Also:75 years ago, US bombers flew into the 'most violent, savagely fought, and bloodiest' battle of their campaign to halt the Nazi war machineTop congressman says the White House fired a 'shot across the bow' of the head of the Air Force after they found out she disapproved of the Space Force71 years ago, Chuck Yeager smashed the sound barrier — here's what it was like on the famous flightSEE ALSO: It's been 78 years since the Battle of Britain — here are 14 photos of the Nazi onslaught in the skies of England