The XB-19: When Bigger Didn't Necessarily Mean Better

Lessons Learned Designing and Building the XB-19 Were Applied to the B-29 and the B-36 The Douglas XB-19 was the largest four engine propeller-driven aircraft ever flown. It was the…

Warbird Information Exchange • View topic - Douglas XB-19

The U.S. Air Force has revealed the first image of its future Long Range Strike bomber: the B-21 - The Aviationist

The Douglas XB-19, a pre-WWII strategic bomber prototype. Wingspan

The Douglas XB-19 -- worlds largest bomber in 1941

XB-70 with dropped wingtips at high speed. : r/aviation

If the Luftwaffe Didn't Kill You On a Mission, the Spartan Lancaster Could

Invader: The Medium Bomber With the Identity Problem

What are the fundamental differences between the B-1 and B-2 bombers? Why did the USAF need both and why/how can the B-21 replace both in one plane? - Quora

BREAKING: Rolls-Royce F130 Engines Will Power Up the B-52H Fleet