Eli5 why does the US still use a bomber from the 1950s when they have built two newer ones since then?

Question

Eli5 why does the US still use a bomber from the 1950s when they have built two newer ones since then?

In: 7

Answer 1

The more complex the plumbing, the easier it is to stop the drain. Several great examples of simple aircraft being used even though they are outdated: B-52, A-10, F-16, F-22, KC-135, U-2

Reason? They can still operate if the computer goes out.

https://aerocorner.com/blog/oldest-military-planes-in-service/