The B1 was too expensive to fully replace the B52

The B2 was too expensive to replace even the limited number of B1s

The B21 will likely have its costs revised so much higher that it will meet the same fate as the Zumwalt

America relies on the B52 because it has to, not because it wants to

”The B-52 is slated to remain in service through 2050”

~100 years of flight!