The B-21 bomber pairs cutting edge tech with a throwback aircraft design. It is based on a visionary aircraft design that dates back to World War II. That aircraft, the YB-49, minimized drag but ...

mint; multicolored; flying YB-49 Flying Wing; American Advances in Aviation; verso of pane says, "YB-49 Flying Wing / Deemed futuristic in the late '40s, the / all-wing configuration of Northrop's / ...

In the 1940s, it looked like flying wings would dominate the skies - faster, lighter, and more efficient than anything before. Jack Northrop’s XB-35 and YB-49 promised intercontinental range and ...

Add Yahoo as a preferred source to see more of our stories on Google. The B-21 bomber pairs cutting edge tech with a throwback aircraft design. It is based on a visionary aircraft design that dates ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. The Postal Service issued the 37-cent ...